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ASTM A29/A29M-05

(Specification)

Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

ABSTRACT
This guide covers a group of requirements for carbon and alloy steel bars under each of the following specifications: hot-rolled carbon steel bars, cold-finished carbon steel bars, hot-rolled alloy steel bars, and cold-finished alloy steel bars. Heat and product analysis shall be performed on several grades of carbon steel bars, wherein the material shall conform to the required chemical composition for carbon, manganese, phosphorus, and sulfur. Several grades of alloy steel bars shall also undergo heat and product analysis and shall meet the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, and molybdenum. When compositions other than those indicated in the specified chemical components are required, the composition limits shall be prepared using the specified ranges and limits for carbon steel and alloy steel. The material shall undergo grain size test and shall conform to the specified grain size requirement. Mechanical tests shall also be performed on the steel test specimens.
SCOPE
1.1 This specification covers a group of common requirements which, unless otherwise specified in the purchase order or in an individual specification, shall apply to carbon and alloy steel bars under each of the following ASTM specifications (or under any other ASTM specification which invokes this specification or portions thereof):
1.2 In case of any conflict in requirements, the requirements of the purchase order, the individual material specification, and this general specification shall prevail in the sequence named.
1.3 The values stated in inch-pound units or SI units are to be regarded as the standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
1.4 For purposes of determining conformance to this specification and the various material specifications referenced in , dimensional values shall be rounded to the nearest unit in the right-hand place of figures used in expressing the limiting values in accordance with the rounding method of Practice E 29.Note 1
Specification A 29 previously listed dimensional tolerances for cold-finished bars; these are now found in Specification A 108.

General Information

Status
Historical
Publication Date
30-Apr-2005
ICS
77.140.60 - Steel bars and rods
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.15 - Bars
Current Stage
Ref Project

Relations

Replaces
ASTM A29/A29M-04e1 - Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
Effective Date
01-May-2005
Replaced By
ASTM A29/A29M-11 - Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
Effective Date
01-Apr-2011
Referred By
ASTM A311/A311M-04(2020) - Standard Specification for Cold-Drawn, Stress-Relieved Carbon Steel Bars Subject to Mechanical Property Requirements
Effective Date
01-May-2005
Referred By
ASTM A466/A466M-07(2020) - Standard Specification for Weldless Chain
Effective Date
01-May-2005
Referred By
ASTM A1075-12(2022) - Standard Specification for Flanged Steel U-Channel Posts
Effective Date
01-May-2005
Referred By
ASTM F1899-14a(2019) - Standard Specification for Food Waste Pulper Without Waterpress Assembly
Effective Date
01-May-2005
Referred By
ASTM A31-14(2020) - Standard Specification for Steel Rivets and Bars for Rivets, Pressure Vessels
Effective Date
01-May-2005
Referred By
ASTM A920/A920M-14(2019) - Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, Mechanical Properties
Effective Date
01-May-2005
Referred By
ASTM A355-89(2022) - Standard Specification for Steel Bars, Alloys, for Nitriding
Effective Date
01-May-2005
Referred By
ASTM A1044/A1044M-22a - Standard Specification for Steel Stud Assemblies for Shear Reinforcement of Concrete
Effective Date
01-May-2005
Referred By
ASTM A534-17(2022) - Standard Specification for Carburizing Steels for Anti-Friction Bearings
Effective Date
01-May-2005
Referred By
ASTM A973/A973M-21 - Standard Specification for Grade 100 Alloy Steel Chain
Effective Date
01-May-2005
Referred By
ASTM A499-15(2020) - Standard Specification for Steel Bars and Shapes, Carbon Rolled from “T” Rails
Effective Date
01-May-2005
Referred By
ASTM A413/A413M-21 - Standard Specification for Carbon Steel Chain
Effective Date
01-May-2005
Referred By
ASTM F844-19 - Standard Specification for Washers, Steel, Plain (Flat), Unhardened for General Use
Effective Date
01-May-2005

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ASTM A29/A29M-05 - Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements forASTM A29/A29M-05 - Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
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ASTM A29/A29M-05 - Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A29/A29M – 05
Standard Specification for
Steel Bars, Carbon and Alloy, Hot-Wrought, General
1
Requirements for
This standard is issued under the fixed designation A29/A29M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 1.3 The values stated in inch-pound units or SI units are to
2 be regarded as the standard. Within the text, the SI units are
1.1 This specification covers a group of common require-
shown in brackets. The values stated in each system are not
ments which, unless otherwise specified in the purchase order
exact equivalents; therefore, each system must be used inde-
orinanindividualspecification,shallapplytocarbonandalloy
pendentlyoftheother.Combiningvaluesfromthetwosystems
steel bars under each of the followingASTM specifications (or
may result in nonconformance with the specification.
under any other ASTM specification which invokes this
1.4 For purposes of determining conformance to this speci-
specification or portions thereof):
fication and the various material specifications referenced in
Title of Specification ASTM
A
1.1, dimensional values shall be rounded to the nearest unit in
Designation
Hot-Rolled Carbon Steel Bars:
the right-hand place of figures used in expressing the limiting
Steel Bars, Carbon, Quenched and Tempered A321
values in accordance with the rounding method of Practice
Steel Bars and Shapes, Carbon Rolled from “T’’ Rails A499
E29.
Steel Bars, Carbon, Merchant Quality, M-Grades A575
Steel Bars, Carbon, Hot-Wrought, Special Quality A576
NOTE 1—Specification A29 previously listed dimensional tolerances
Steel Bars, Carbon, Merchant Quality, Mechanical A663/A663M
Properties for cold-finished bars; these are now found in Specification A108.
Steel Bars, Carbon, Hot-Wrought, Special Quality, Me- A675/A675M
chanical Properties
2. Referenced Documents
Steel Bars for Springs, Carbon and Alloy A689
3
2.1 ASTM Standards:
Cold-Finished Carbon Steel Bars:
Steel Bars, Carbon and Alloy, Cold-Finished A108
A108 Specification for Steel Bar, Carbon and Alloy, Cold-
Cold-Drawn Stress-Relieved Carbon Steel Bars Sub- A311/A311M
Finished
ject to Mechanical Property Requirements
Hot-Rolled Alloy Steel Bars: A304 SpecificationforCarbonandAlloySteelBarsSubject
Steel Bars, Alloy, Standard Grades A322
to End-Quench Hardenability Requirements
Carbon and Alloy Steel Bars Subject to End-Quench A304
A311/A311M Specification for Cold-Drawn, Stress-
Hardenability Requirements
Steel Bars, Alloy, Hot-Wrought or Cold-Finished, A434 Relieved Carbon Steel Bars Subject to Mechanical Prop-
Quenched and Tempered
erty Requirements
Steel Bars, Alloy, Hot-Wrought, for Elevated Tempera- A739
A321 Specification for Steel Bars, Carbon, Quenched and
ture or Pressure-Containing Parts, or Both
4
Cold-Finished Alloy Steel Bars: Tempered
Steel Bars, Alloy, Hot-Rolled or Cold-Finished, A434
A322 Specification for Steel Bars, Alloy, Standard Grades
Quenched and Tempered
A370 Test Methods and Definitions for Mechanical Testing
Steel Bars, Carbon, Hot-Wrought or Cold-Finished, A696
Special Quality, for Pressure Piping Components
of Steel Products
A
These designations refer to the latest issue of the respective specifications,
A434 Specification for Steel Bars, Alloy, Hot-Wrought or
which appear either in the Annual Book of ASTM Standards, Vol 01.05, or as
Cold-Finished, Quenched and Tempered
reprints obtainable from ASTM.
A499 Specification for Steel Bars and Shapes, Carbon
1.2 In case of any conflict in requirements, the requirements
Rolled from “T” Rails
of the purchase order, the individual material specification, and
A575 Specification for Steel Bars, Carbon, Merchant Qual-
this general specification shall prevail in the sequence named.
ity, M-Grades
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3
A01.15 on Bars. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved May 1, 2005. Published May 2005. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
´1
approvedin1957.Lastpreviouseditionapprovedin2004asA29/A29M–04 .DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/A0029_A0029M-05. the ASTM website.
2 4
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Withdrawn. The last approved version of this historical standard is referenced
cation SA-29/SA-29M in Section II of that Code. on www.a
...

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ABSTRACT
This specification covers hot-wrought merchant quality carbon steel bars and bar size shapes produced to mechanical property requirements and intended for noncritical constructional applications. The bars shall be available in round, square and hexagonal shapes. The steel shall be made by the open-hearth, basic-oxygen, or electric-furnace process. The specimens shall undergo a tension test to determine tensile strength, yield point and elongation. The merchant quality bars shall be from visible pipe; however, they may contain pronounced chemical segregation. Internal porosity, surface seams, and other surface irregularities may be present in this quality. The bars shall also be furnished as rolled and not pickled, blast cleaned, or oiled.
SCOPE
1.1 This specification covers hot-wrought merchant quality carbon steel bars and bar size shapes produced to mechanical property requirements and intended for noncritical constructional applications (see 8.2).  
1.2 Merchant quality hot-wrought steel bar is available in the following ranges of size and section:  
1.2.1 Rounds, squares, and hexagons with diameters or distance across flats under 3 in. [75 mm].  
1.2.2 Bar size shapes with maximum dimensions under 3 in. [75 mm].  
1.2.3 Other bar sections with weight per foot under 40.84 lb/ft [60.78 kg/m].  
1.2.4 Flats 6 in. [152 mm] or under in width, over 0.203 in. [over 5 mm in thickness up to 150 mm in width] in thickness, and under 40.84 lb/ft or 12 in.2 [77.4 cm2] in cross-sectional area.  
1.2.5 Flats over 6 in. to 8 in., inclusive in width, 0.230 in. and over [over 6 mm in thickness and over 50 mm through 200 mm in width] in thickness and under 40.84 lb/ft [60.78 kg/m] or 12 in.2 [77.4 cm2] in cross-sectional area.  
1.2.6 Hot-wrought merchant quality carbon steel bars subject to mechanical property requirements are hot wrought in straight lengths only.  
1.3 Some applications may require one or more of the available designations shown under supplementary requirements.  
Note 1: Special quality hot-wrought carbon steel bars subject to mechanical property requirements are covered in Specification A675/A675M.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM A314-23(Specification)
Standard Specification for Stainless Steel Billets and Bars for Forging

ABSTRACT
This specification covers stainless steel billets and bars for forging. The steel materials shall be annealed and conditioned by chipping or grinding. The steel specimens shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, nitrogen, and other elements.
SCOPE
1.1 This specification covers stainless steel billets and bars intended only for forging.  
1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM A576-23(Specification)
Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality

ABSTRACT
This specification covers hot-wrought special quality carbon steel bars. Special quality bar applications include forging, heat treating, cold drawing, machining, and many structural uses. The steel shall be made by one or more of the following primary processes: open-hearth, basic-oxygen, or electric furnace. The heat analysis shall conform to the requirements for chemical composition specified.
SCOPE
1.1 This specification covers hot-wrought special quality carbon steel bars. Special quality bar applications include forging, heat treating, cold drawing, machining, and many structural uses. A guide for the selection of steel bars is contained in Practice A400.  
1.2 The bars shall be furnished in the grades specified in Table 1. Sections and sizes of bar steel available are covered in Specification A29/A29M. Hot-wrought special quality carbon steel bars are produced in cut lengths and coils; the manufacturer should be consulted regarding sections and sizes available in coils, produced to a chemical composition.    
Rephosphorized and Resulfurized Carbon SteelE, G, H    
Designation  
Grade  
Carbon  
Manganese  
Phosphorus  
Sulfur  
Lead  
G12110  
1211  
0.13 max  
0.60–0.90  
0.07–0.12  
0.10–0.15  
...  
G12120  
1212  
0.13 max  
0.70–1.00  
0.07–0.12  
0.16–0.23  
...  
G12130  
1213  
0.13 max  
0.70–1.00  
0.07–0.12  
0.24–0.33  
...  
G12150  
1215  
0.09 max  
0.75–1.05  
0.04–0.09  
0.26–0.35  
...  
...  
12L14  
0.15 max  
0.85–1.15  
0.04–0.09  
0.26–0.35  
0.15–0.35    
1.3 Merchant quality hot-wrought carbon steel bars are covered in Specification A575.  
1.4 Some end uses may require superior surface quality, or special chemical restrictions, metallurgical characteristics, heat treatment, or surface finishes which the purchaser may obtain by designating one or more of the available Supplementary Requirements.  
1.5 The values stated in inch-pound units are to be regarded as standard.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Standard Practice for Steel Bars, Selection Guide, Composition, and Mechanical Properties

SIGNIFICANCE AND USE
4.1 If the desired mechanical properties are as described in 5.1.1 for material identified as Classes P-1 through P-7, or in 5.1.2 for material identified as Classes Q-1 through Q-7, the strength level desired can be based on hardness or the equivalent tensile or yield strength as shown in Tables 1-4. If the desired mechanical properties are as set forth in 5.1.3 for material identified as Classes R-1 through R-6, the strength level is based on yield strength as shown in Tables 5 and 6.  
4.2 The user, after determining the mechanical property requirements of the critical section (that carrying the greatest stress) of the part, should select the composition or compositions from Tables 1-6 that fulfills these requirements and is most suitable for processing.
SCOPE
1.1 This practice covers the selection of steel bars according to section and to the mechanical properties desired in the part to be produced. This is not a specification for the procurement of steel. Applicable procurement specifications are listed in Section 6.  
1.2 Several steel compositions intended for various sections and mechanical property requirements are presented in Tables 1-6. The criteria for placing a steel composition in one of the three general class designations, Classes P, Q, and R (described in Section 5) are as follows:          
1.2.1 Classes P and Q  should be capable of developing the mechanical properties shown in Tables 1-4 by liquid quenching from a suitable austenitizing temperature, and tempering at 800 °F (427 °C) or higher. A hardness indicated by tests made at a location shown in Fig. 1, A, B, or C, is taken as evidence that a composition is capable of meeting other equivalent mechanical properties shown in the tables. Normal good shop practices are assumed, with control of austenitizing and tempering temperatures, and mild agitation of the part in the quenching bath.
FIG. 1 Locations in Typical Cross Sections of Steel Bars at Which Desired Properties Are Obtained  
1.2.2 Class R  should be capable of developing the mechanical properties shown in Tables 5 and 6 as hot rolled, by cold drawing, or by cold drawing with additional thermal treatment. The locations for obtaining tension tests are described in 7.2.  
1.3 It is not implied that the compositions listed in the tables are the only ones satisfactory for a certain class and mechanical property requirement. Steels with lower alloy contents are often satisfactory through the use of special processing techniques.  
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This specification deals with the general requirements that apply to rolled structural steel bars, plates, shapes, and sheet piling. The steel shall be made in an open-hearth, basic-oxygen, or electric-arc furnace followed by additional refining in a ladle metallurgy furnace, or secondary melting by vacuum-arc remelting or electrostag remelting. The steel products shall undergo heat treatment, structural conditioning, and strand casting in stationary molds. Tension testing and chemical analysis shall be performed wherein the specimens shall conform to the required mechanical properties such as tensile strength, yield strength and elongation, and the required metallurgical structure and composition specifications of the products. Final products shall be legibly marked, bundled, and tagged with the applicable designation, grade, heat number, size and thickness, and name, brand, or trademark of the manufacturer for identification and shipment.
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Designation3  
Title of Specification  
A36/A36M  
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A131/A131M  
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Steel Sheet Piling  
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High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding  
A529/A529M  
High-Strength Carbon-Manganese Steel of Structural Quality  
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High-Strength Low-Alloy Columbium-Vanadium Structural Steel  
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Structural Carbon Steel Plates  
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High-Strength Low-Alloy Structural Steel, up to 50 ksi [345 MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance  
A633/A633M  
Normalized High-Strength Low-Alloy Structural Steel Plates  
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Hot-Rolled Structural Steel, High-Strength Low-Alloy Plate with Improved Formability  
A690/A690M  
High-Strength Low-Alloy Nickel, Copper, Phosphorus Steel H-Piles and Sheet Piling with Atmospheric Corrosion Resistance for Use in Marine Environments  
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Structural Steel for Bridges  
A710/A710M  
Precipitation–Strengthened Low-Carbon Nickel-Copper-Chromium-Molybdenum-Columbium (Niobium) Alloy Structural Steel Plates  
A769/A769M  
Carbon and High-Strength Electric Resistance Forge-Welded Steel Structural Shapes  
A786/A786M  
Hot-Rolled Carbon, Low-Alloy, High-Strength Low-Alloy, and Alloy Steel Floor Plates  
A827/A827M  
Plates, Carbon Steel, for Forging and Similar Applications  
A829/A829M  
Alloy Structural Steel Plates  
A830/A830M  
Plates, Carbon Steel, Structural Quality, Furnished to Chemical Composition Requirements  
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Steel Sheet Piling, Cold Formed, Light Gage  
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High-Strength Low-Alloy Structural Steel Plate With Atmospheric Corrosion Resistance  
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High-Strength Low-Alloy Steel Shapes of Structural Quality, Produced by Quenching and Self-Tempering Process (QST)  
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1.2 Annex A1 lists permitted variations in dimensions and mass (Note 1) in SI units. The values listed are not exact conversions of the values in Tables 1 to 31 inclusive but are, instead, r...

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Standard Specification for Stainless Steel Bars and Shapes

ABSTRACT
This specification covers hot-finished or cold-finished bars except bars for reforging. It includes rounds, squares, and hexagons, and hot-rolled or extruded shapes, such as angles, tees, and channels in the more commonly used types of stainless steels. The bars shall be furnished in one of the following conditions: Condition A in which the bars are annealed, Condition H in which the bars are hardened and tempered at a relative temperature, Condition T in which the bars are hardened and tempered at a relatively high temperature, Condition S in which the bars are strain hardened or relatively light cold worked, and Condition B in which the bars are relatively severe cold worked. The material shall be subjected to a mechanical test to determine its tensile strength, yield strength, elongation, and Brinell hardness.
SCOPE
1.1 This specification covers hot-finished or cold-finished bars except bars for reforging (Note 1). It includes rounds, squares, and hexagons, and hot-rolled or extruded shapes, such as angles, tees, and channels in the more commonly used types of stainless steels. The free-machining types (Note 2) for general corrosion resistance and high-temperature service are covered in a separate specification.  
Note 1: For bars for reforging, see Specification A314.
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Note 3: There are standards covering high nickel, chromium, austenitic corrosion, and heat-resisting alloy materials. These standards are under the jurisdiction of ASTM Subcommittee B02.07 and may be found in  Annual Book of ASTM Standards, Vol. 02.04.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM A29/A29M-23(Specification)
Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought

ABSTRACT
This guide covers a group of requirements for carbon and alloy steel bars under each of the following specifications: hot-rolled carbon steel bars, cold-finished carbon steel bars, hot-rolled alloy steel bars, and cold-finished alloy steel bars. Heat and product analysis shall be performed on several grades of carbon steel bars, wherein the material shall conform to the required chemical composition for carbon, manganese, phosphorus, and sulfur. Several grades of alloy steel bars shall also undergo heat and product analysis and shall meet the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, and molybdenum. When compositions other than those indicated in the specified chemical components are required, the composition limits shall be prepared using the specified ranges and limits for carbon steel and alloy steel. The material shall undergo grain size test and shall conform to the specified grain size requirement. Mechanical tests shall also be performed on the steel test specimens.
SCOPE
1.1 This specification2 covers a group of common requirements which, unless otherwise specified in the purchase order or in an individual specification, shall apply to carbon and alloy steel bars under each of the following ASTM specifications (or under any other ASTM specification which invokes this specification or portions thereof):    
Title of Specification  
ASTM
DesignationA  
Hot-Rolled Carbon Steel Bars:  
Steel Bars, Carbon, Quenched and Tempered  
A321    
Steel Bars and Shapes, Carbon Rolled from “T'' Rails  
A499    
Steel Bars, Carbon, Merchant Quality, M-Grades  
A575    
Steel Bars, Carbon, Hot-Wrought, Special Quality  
A576    
Steel Bars, Carbon, Merchant Quality, Mechanical Properties  
A663/A663M    
Steel Bars, Carbon, Hot-Wrought, Special Quality, Mechanical Properties  
A675/A675M    
Carbon and Alloy Steel Bars for Springs  
A689    
Cold-Finished Carbon Steel Bars:  
Steel Bar, Carbon and Alloy, Cold-Finished  
A108    
Cold-Drawn Stress-Relieved Carbon Steel Bars Subject to Mechanical Property Requirements  
A311/A311M  
Hot-Rolled Alloy Steel Bars:  
Steel Bars, Alloy, Standard Grades  
A322    
Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements  
A304    
Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered  
A434/A434M    
Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both  
A739    
Cold-Finished Alloy Steel Bars:  
Steel Bars, Alloy, Hot-Rolled or Cold-Finished, Quenched and Tempered  
A434/A434M    
Steel Bars, Carbon, Hot-Wrought or Cold-Finished, Special Quality, for Pressure Piping Components  
A696    
A These designations refer to the latest issue of the respective specifications, which appear either in the Annual Book of ASTM Standards, Vol 01.05, or as reprints obtainable from ASTM.  
1.2 In case of any conflict in requirements, the requirements of the purchase order, the individual material specification, and this general specification shall prevail in the sequence named.  
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall used independently of the other, and values from the two systems shall not be combined.  
1.4 For purposes of determining conformance to this specification and the various material specifications referenced in 1.1, dimensional values shall be rounded to the nearest unit in the right-hand place of figures used in expressing the limiting values in accordance with the rounding method of Practice E29.
Note 1: Specification A29/A29M previously listed dimensional tolerances for cold-finished bars; these are now found in Spe...

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ASTM
ASTM A638/A638M-23(Specification)
Standard Specification for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service

ABSTRACT
This specification covers hot-finished or cold-finished precipitation hardening iron base superalloy bars, forgings, and forging stock for high-temperature service. The mechanical properties of these alloys are developed by suitable solution treating and precipitation hardening treatments. Two grades of iron base alloy are covered; Grade 660 and Grade 662 (bars and forgings). The material shall meet the requirements as to stress rupture properties specified. The material shall conform to the chemical, mechanical, and metallurgical properties requirements specified.
SCOPE
1.1 This specification2 covers hot-finished or cold-finished precipitation hardening iron base superalloy bars, forgings, and forging stock for high-temperature service. The mechanical properties of these alloys are developed by suitable solution treating and precipitation hardening treatments.  
1.2 Two grades of iron base alloy are covered. Selection will depend upon design, service conditions, mechanical properties, and elevated temperature characteristics.  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.4 Unless the order specifies an “M” designation, the material shall be furnished to inch-pound units.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM A950/A950M-11(2023)(Specification)
Standard Specification for Fusion-Bonded Epoxy-Coated Structural Steel H-Piles and Sheet Piling

ABSTRACT
This specification covers the qualification requirements for structural steel H-piles and sheet piling with protective fusion-bonded epoxy coating applied by electrostatic spraying, flocking, or fluidized bed processing. Surface preparation techniques shall be performed by abrasive blast cleaning, grinding and chemical washing prior to coating application. The powder coating shall be heat treated and cured before visible oxidation occurs. Coating materials shall undergo thickness measurements and bend testing, and shall conform to the requirements for film thickness, flexibility and continuity, impact resistance, chemical composition, and corrosion resistance. The coated H-piles or sheet piling shall be stored off of the ground on supports. While handling equipment, bundling bands for packaging and tie-down bands for shipping shall have padded contact areas so as to avoid damage and excessive deflection.
SCOPE
1.1 This specification covers structural steel H-piles and sheet piling with protective fusion-bonded epoxy coating applied by the electrostatic spray, flocking, or fluidized bed process.  
Note 1: The coating applicator is identified throughout this specification as the manufacturer.  
1.2 Requirements for coatings are contained in Annex A1.  
1.3 This specification is applicable for orders in either inch-pound units (as Specification A950) or SI units (as Specification A950M). The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM A582/A582M-22(Specification)
Standard Specification for Free-Machining Stainless Steel Bars

ABSTRACT
This specification covers hot-finished or cold-finished bars, except bars for forging, suitable for machining processes. It includes rounds, squares, and hexagons in the more commonly used types of stainless free-machining steels designed especially for optimum machinability and for general corrosion and high-temperature service. Bars may be furnished either hot finished or cold finished in one of the conditions specified. Materials shall adhere to specified chemical composition requirements. At least one hardness testing shall be made midway between surface and center on each lot to determine that the material conforms to hardness requirements. Also, test methods and definition for hardness testing are presented.
SCOPE
1.1 This specification covers hot-finished or cold-finished bars, except bars for forging (Note 1), suitable for machining processes. It includes rounds, squares, and hexagons in the more commonly used types of stainless free-machining steels designed especially for optimum machinability and for general corrosion and high-temperature service. Stainless steel bars other than the free-machining types are covered in a separate specification (Note 2).  
1.2 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply. The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standard: within the text and tables, the SI units are shown in [brackets]. The values stated in each system may not be exact equivalents: therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
Note 1: For bars for reforging, see Specification A314.  
Note 2: For non-free machining stainless bars, see Specification A276.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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