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ASTM B491/B491M-06

(Specification)

Standard Specification for Aluminum and Aluminum-Alloy Extruded Round Tubes for General-Purpose Applications

Standard Specification for Aluminum and Aluminum-Alloy Extruded Round Tubes for General-Purpose Applications

ABSTRACT
This specification covers aluminum and aluminum-alloy extruded round tubes either in coils or straight lengths, for general purpose applications such as refrigeration service, gas lines, oil lines, and instrument lines, in the alloys and tempers. Chemical composition: silicon, iron, copper, manganese, magnesium, chromium, zinc, vanadium, titanium, and aluminum. Tubes produced shall be cooled from an elevated temperature shaping process and naturally aged to a substantially stable condition. The specimen shall then undergo tests to check leakage and any evidence of leak shall be a cause for rejection. The ends of tubes in selected tempers shall be capable of being expanded by forcing a steel pin into the tube without signs of cracks, ruptures, or other defects clearly visible by normal vision. The tubes shall be supplied in the mill finish and shall be uniform as defined by the requirements of this specification and shall be commercially sound. Each tube shall be examined to determine conformance to this specification with respect to general quality and identification marking.
SCOPE
1.1 This specification covers aluminum and aluminum-alloy extruded round tubes either in coils or straight lengths, for general purpose applications such as refrigeration service, gas lines, oil lines, and instrument lines, in the alloys (Note 0) and tempers shown in [], in outside diameters of 0.250 through 0.750 in. [6.00 through 20.00 mm]. For diameters over 0.500 through 0.750 in. [over 12.50 through 20.00 mm], the diameter and wall-thickness tolerances and eddy-current test parameters, if required, shall be agreed upon by the producer and the purchaser. Only tubes in aluminum 1200-H111 and 1235-H111 are sized after extrusion to minimize ovalness.
1.2 Alloy and temper designations are in accordance with ANSI H35.1[H35.1M]. The equivalent Unified Numbering System alloy designations are those of preceded by A9 (for example, A91050 for aluminum 1050) in accordance with Practice E 527. Note 2For extruded tubes see Specification B 221, and for drawn tubes for general-purpose applications see Specification B 483.Note 0
Throughout this specification the term alloy  in the general sense includes aluminum as well as aluminum alloy.Note 3
For inch-pound orders specify B 491; for metric orders specify B 491M. Do not mix units.
1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see .
1.4 The values stated in either inch-pound or SI units are to be regarded separately as standards. The SI units are shown either in brackets or in separate tables. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from two systems will result in nonconformance with the specification.

General Information

Status
Historical
Publication Date
14-Mar-2006
ICS
23.040.15 - Non-ferrous metal pipes
Technical Committee
B07 - Light Metals and Alloys
Drafting Committee
B07.03 - Aluminum Alloy Wrought Products
Current Stage
Ref Project

Relations

Replaces
ASTM B491/B491M-00 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Round Tubes for General-Purpose Applications
Effective Date
15-Mar-2006
Referred By
ASTM B881-17 - Standard Terminology Relating to Aluminum- and Magnesium-Alloy Products
Effective Date
15-Mar-2006

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ASTM B491/B491M-06 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Round Tubes for General-Purpose ApplicationsASTM B491/B491M-06 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Round Tubes for General-Purpose Applications
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Standards Content (Sample)

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: B491/B491M −06
StandardSpecification for
Aluminum and Aluminum-Alloy Extruded Round Tubes for
1
General-Purpose Applications
This standard is issued under the fixed designation B491/B491M; 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.
1. Scope 2. Referenced Documents
2.1 The following documents of the issue in effect on the
1.1 Thisspecificationcoversaluminumandaluminum-alloy
dateofmaterialpurchaseformapartofthisspecificationtothe
extruded round tubes either in coils or straight lengths, for
extent referenced herein:
general purpose applications such as refrigeration service, gas
2
lines, oil lines, and instrument lines, in the alloys (Note 2) and
2.2 ASTM Standards:
tempers shown in Table 2 [Table 3], in outside diameters of
B557 Test Methods for Tension Testing Wrought and Cast
0.250 through 0.750 in. [6.00 through 20.00 mm]. For diam-
Aluminum- and Magnesium-Alloy Products
eters over 0.500 through 0.750 in. [over 12.50 through 20.00 B557M Test Methods for Tension Testing Wrought and Cast
mm], the diameter and wall-thickness tolerances and eddy-
Aluminum- and Magnesium-Alloy Products (Metric)
current test parameters, if required, shall be agreed upon by the B660 Practices for Packaging/Packing of Aluminum and
producer and the purchaser. Only tubes in aluminum 1200- Magnesium Products
H111 and 1235-H111 are sized after extrusion to minimize B666/B666M Practice for Identification Marking of Alumi-
ovalness. num and Magnesium Products
B881 Terminology Relating toAluminum- and Magnesium-
1.2 Alloy and temper designations are in accordance with
Alloy Products
ANSI H35.1[H35.1M]. The equivalent Unified Numbering
E29 Practice for Using Significant Digits in Test Data to
System alloy designations are those of Table 1 preceded byA9
Determine Conformance with Specifications
(for example,A91050 for aluminum 1050) in accordance with
E34 Test Methods for Chemical Analysis of Aluminum and
Practice E527.
Aluminum-Base Alloys
E55 Practice for Sampling Wrought Nonferrous Metals and
NOTE 1—For extruded tubes see Specification B221, and for drawn
Alloys for Determination of Chemical Composition
tubes for general-purpose applications see Specification B483.
E215 Practice for Standardizing Equipment for Electromag-
NOTE 2—Throughout this specification the term alloy in the general
sense includes aluminum as well as aluminum alloy. netic Testing of Seamless Aluminum-Alloy Tube
NOTE3—Forinch-poundordersspecifyB491;formetricordersspecify E527 Practice for Numbering Metals and Alloys in the
B491M. Do not mix units.
Unified Numbering System (UNS)
E607 Test Method for Atomic Emission Spectrometric
1.3 For acceptance criteria for inclusion of new aluminum
Analysis Aluminum Alloys by the Point to Plane Tech-
and aluminum alloys in this specification, see Annex A2.
3
nique Nitrogen Atmosphere (Withdrawn 2011)
1.4 The values stated in either inch-pound or SI units are to
E716 Practices for Sampling and Sample Preparation of
be regarded separately as standards. The SI units are shown
Aluminum and Aluminum Alloys for Determination of
either in brackets or in separate tables. The values stated in
Chemical Composition by Spectrochemical Analysis
each system are not exact equivalents; therefore, each system
E1251 Test Method for Analysis of Aluminum and Alumi-
must be used independently of the other. Combining values
num Alloys by Spark Atomic Emission Spectrometry
from two systems will result in nonconformance with the
specification.
1 2
This specification is under the jurisdiction of ASTM Committee B07 on Light For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Aluminum Alloy Wrought Products. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved March 15, 2006. Published March 2006. Originally the ASTM website.
3
approved in 1969. Last previous edition approved in 2000 as B491/B491M–00. The last approved version of this historical standard is referenced on
DOI: 10.1520/B0491_B0491M-06. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B491/B491M − 06
A,B,C
TABLE 1 Chemical Composition Limits
Other
Magne- Chro- Vana- Tita- D
Elements
Alloy Silicon Iron Copper Manganese Zinc Aluminum
sium mium dium nium
E
Each Total
F
1050 0.25 0.40 0.05 0.05 0.05 . 0.05 0.05 0.03 0.03 .
...

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This practice is intended for the structural design of corrugated aluminum pipe and pipe-arches, and aluminum structural plate pipe, pipe-arches, and arches for use as culverts, storm sewers, and other buried conduits. This practice is for pipe installed in a trench or embankment and subjected to highway, railroad, and aircraft loadings. It must be recognized that buried corrugated aluminum pipes are composite structures made up of the aluminum ring and the soil envelope, and both elements play a vital part in the structural design. Corrugated aluminum pipe and pipe-arches shall be of annular fabrication using riveted seams, or of helical fabrication having a continuous lockseam. Structural plate pipe, pipe-arches, and arches shall be fabricated in separate plates that when assembled at the job site by bolting form the required shape. The design load or pressure on a pipe is comprised of earth load, live load, and impact load. Strength requirements for wall strength, buckling strength, and seam strength may be determined by either the allowable stress design (ASD) method (involves calculation of required wall area and critical buckling stress) or the load and resistance factor design (LRFD) method (involves calculation of factored loads, factored thrust, factored resistance, wall resistance, and seam resistance). Requirements for handling and installation rigidity and minimum cover are detailed. Design considerations for deflection, smooth-line pipe, spiral-rib pipe, pipe-arch, pipe materials, soil, minimum spacing, end treatment, abrasive or corrosive conditions, construction and installation, and structural plate arches are provided.
SCOPE
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1.2 Corrugated aluminum pipe and pipe-arches shall be of annular fabrication using riveted seams, or of helical fabrication having a continuous lockseam.  
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1.4 This practice is applicable to design in inch-pound units as Specification B790 or in SI units as Specification B790M. Inch-pound units and SI units are not necessarily equivalent. SI units are shown in brackets in the text for clarity, but they are the applicable values when the design is done in accordance with Specification B790M.  
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SCOPE
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This specification covers welded pipe of nickel and nickel-cobalt alloys (UNS N10001; UNS N10242; UNS N10665; UNS N12160; UNS N10624; UNS N10629; UNS N10675; UNS N10276; UNS N06455; UNS N06007; UNS N06975; UNS N08320; UNS 06002; UNS N06022; UNS N06035; UNS N06058; UNS N06059; UNS N06200; UNS N06985; UNS N06030; UNS R30556; UNS N08031; UNS N06230; UNS N06686; UNS N06210; and UNS R20033). Two classes of pipe are covered as Class I which is as welded and solution annealed or welded and sized and solution annealed; and Class II which is welded, cold worked, and solution annealed. All pipes shall be furnished in the solution annealed and descaled condition. The pipe shall be made from flat-rolled alloy by an automatic welding process with no addition of filler metal. Subsequent to welding and prior to final heat treatment, Class II pipes shall be cold worked either in both weld and base metal or in weld metal only. The material shall conform to the composition limits set by this specification. Tensile strength, yield strength and elongation of the material shall conform to the mechanical requirements. Tension test, flattening test, transverse guided bend test, and hydrostatic or nondestructive electric test shall be performed.
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This specification applies to seamless copper tube for linesets intended for use in air conditioning units. The pressure rating established is 700 psi at 250 °F and incorporates fully annealed and brazed copper tubing.
SCOPE
1.1 This specification establishes the requirements for seamless copper tube for linesets intended for use in air conditioning units. The pressure rating established is 700 psi at 250 °F and incorporates fully annealed and brazed copper tubing.  
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1.1 This specification2 covers the requirements for seamless copper and copper alloy tubing on which the external or internal surface, or both, has been modified by a cold-forming process to produce an integral enhanced surface for improved heat transfer.  
1.2 The tubes are typically used in surface condensers, evaporators, and heat exchangers.  
1.3 The product shall be produced of the following coppers or copper alloys, as specified in the ordering information.    
Copper or
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DHP, Phosphorized, high residual phosphorus
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C, and  
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D  
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95-5 Copper-Nickel  
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90-10 Copper-Nickel  
C70620  
90-10 Copper-Nickel (Modified for Welding)  
Copper or
Copper Alloy
UNS No.  
Type of Metal  
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80-20 Copper-Nickel Type A  
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70-30 Copper-Nickel  
C71520  
70-30 Copper-Nickel (Modified for Welding)  
C72200  
Copper-Nickel
Note 1: Designations listed in Classification B224.  
1.4 Units—The values stated in either in-pound units or SI units are to be regarded separately 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 shall be used independently of the other. Combining values from the two systems could result in nonconformance with the specification.  
1.5 Product produced in accordance with the Supplementary Requirements section for military applications shall be produced only to the inch-pound system of this specification.  
1.6 The following safety hazard caveat pertains only to the test methods described in this specification. 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. Some specific h...

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Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service

ABSTRACT
This specification covers the requirements for seamless UNS C10200, C12000, or C12200 copper alloy tubes used for connection, repairs, or alternations of field air conditioning or refrigeration units. Materials in the form of billets, bars, or tubes should be used to produce a homogeneous uniform wrought structure by either hot or cold working. Each tube should be cold drawn to the finished size and wall thickness. Coiled lengths with soft annealed tempers should be bright annealed after coiling then dehydrated and either capped, plugged, crimped, or otherwise closed at both ends. Straight lengths with hard drawn tempers should be cleaned and either capped, plugged, or otherwise closed at both ends. The grain sizes, tensile properties, and eddy-current and cleanness test results should conform to the values listed herein.
SCOPE
1.1 This specification covers the requirements for seamless copper tube intended for use in the connection, repairs, or alternations of air conditioning or refrigeration units in the field.
Note 1: Fittings used for soldered or brazed connections in air conditioning and refrigeration systems are described in ASME Standard B16.22.
Note 2: The assembly of copper tubular systems by soldering is described in Practice B828.
Note 3: Solders for joining copper tubular systems are described in Specification B32. The requirements for acceptable fluxes for these systems are described in Specification B813.  
1.2 The tube shall be produced from the following coppers, and the manufacturer has the option to supply any one of them, unless otherwise specified:    
Copper
UNS No.  
Previously Used
Designation  
Description  
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OF  
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C12000  
DLP  
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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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This specification covers the requirements and test procedures for materials, dimensions, hydrostatic burst strength, chemical resistance, peeling strength, adhesion strength, and tensile strength properties for cured-in-place (CIP) pipe liners installed into existing metallic gas pipes for rehabilitation purposes. These cured-in-place pipe liners are intended for use in pipelines that transport natural gas, petroleum fuels (propane-air and propanebutane vapor mixtures), and manufactured and mixed gases, where resistance to gas permeation, ground movement, internal corrosion, leaking joints, pinholes, and chemical attack are required. The materials, which shall be considered separately for testing, consist of the flexible tubing, jacket, elastomer skin, and adhesive system.
SCOPE
1.1 This specification covers requirements and method of testing for materials, dimensions, hydrostatic burst strength, chemical resistance, adhesion strength and tensile strength properties for cured-in-place (CIP) pipe liners installed into existing metallic gas pipes, 3/4 to 48 in. nominal pipe size, for renewal purposes. The maximum allowable operating pressure (MAOP) of such renewed gas pipe shall not exceed a pressure of 300 psig (2060 kPa). The cured-in-place pipe liners covered by this specification are intended for use in pipelines transporting natural gas, petroleum fuels (propane-air and propane-butane vapor mixtures), and manufactured and mixed gases, where resistance to gas permeation, ground movement, internal corrosion, leaking joints, pinholes, and chemical attack are required.  
1.2 The medium pressure (up to 100 psig) cured-in-place pipe liners (Section A) covered by this specification are intended for use in existing structurally sound or partially deteriorated metallic gas pipe as defined in 3.2.10. The high pressure (over 100 psig up to 300 psig) cured-in-place pipe liners (Section B) covered by this specification are intended for use only in existing structurally sound steel gas pipe as defined in 3.2.10. CIP liners are installed with limited excavation using an inversion method (air or water) and are considered to be a trenchless pipeline rehabilitation technology. The inverted liner is bonded to the inside wall of the host pipe using a compatible adhesive (usually an adhesive or polyurethane) in order to prevent gas migration between the host pipe wall and the CIP liner and, also, to keep the liner from collapsing under its own weight.  
1.2.1 Continued growth of external corrosion, if undetected and unmitigated, could result in loss of the host pipe structural integrity to such an extent that the liner becomes the sole pressure bearing element in the rehabilitated pipeline structure. The CIP liner is not intended to be a stand-alone pipe and relies on the structural strength of the host pipe. The operator must maintain the structural integrity of the host pipe so that the liner does not become free standing.  
1.3 MPL CIP liners (Section A) can be installed in partially deteriorated pipe as defined in 3.2.10. Even for low pressure gas distribution systems, which typically operate at less than 1 psig, MPL CIP liners are not intended for use as a stand-alone gas carrier pipe but rely on the structural integrity of the host pipe. Therefore, the safe use of cured-in-place pipe lining technology for the rehabilitation of existing cast iron, steel, or other metallic gas piping systems, operating at pressures up to 100 psig, is contingent on a technical assessment of the projected operating condition of the pipe for the expected 30 to 50 year life of the CIP liner. Cured-in-place pipe liners are intended to repair/rehabilitate structurally sound pipelines having relatively small, localized defects such as localized corrosion, welds that are weaker than required for service, or loose joints (cast iron pipe), where leaks might occur.  
1.3.1 HPL CIP liners (Section B) are intended for use only in existing st...

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ASTM
ASTM B523/B523M-18(2023)(Specification)
Standard Specification for Seamless and Welded Zirconium and Zirconium Alloy Tubes

ABSTRACT
This specification covers the three grades of zirconium and zirconium alloy seamless and welded tubes. The tubes are furnished in three grades as Grade R60702 which is an unalloyed zirconium, Grade R60704 which is zirconium-tin alloy, and Grade R60705 which is zirconium-niobium alloy. Seamless tube shall be made by any seamless method. Welded tube shall be made from sheet or strip by an automatic arc-welding process or other method of welding. Filler metal shall not be used. The material shall conform to the required chemical compostion for zirconium, hafnium, iron, chromium, tin, hydrogen, nitrogen, carbon, niobium, and oxygen. The materials shall conform to the required tensile properties such as tensile strength, yield strength, and elongation.
SCOPE
1.1 This specification2 covers two grades of zirconium and zirconium alloy seamless and welded tubes.  
1.2 Unless a single unit is used, for example corrosion mass gain in mg/dm2, 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. The values stated in each system are not 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.  
1.3 The following precautionary caveat pertains only to the test methods portion of this specification: 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.  
1.4 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 B677-23(Specification)
Standard Specification for Nickel-Iron-Chromium-Molybdenum, Iron-Nickel-Chromium-Molybdenum-Copper, and Nickel-Iron-Chromium-Molybdenum-Nitrogen Seamless Pipe and Tube

ABSTRACT
This specification covers UNS N08925, N08354, and N08926 alloy seamless, cold-worked or hot-finished pipes and tubes for use in general corrosive service. The materials should be supplied in solution-treated condition, heat treated and quenched in water or rapidly cooled by other means. The material chemical composition, mechanical properties, and required response to hydrostatic and nondestructive tests should conform to the values contained in this specification and related ASTM standards.
SCOPE
1.1 This specification covers UNS N08925, UNS N08354, UNS N089262, and UNS N08935 seamless, cold-worked or hot-finished pipe and tube intended for general corrosive service.  
1.2 ASTM International has adopted definitions whereby some grades, such as UNS N08904 previously in this specification, were recognized as stainless steels, because those grades have iron as the largest element by mass percent. Such grades are under the oversight of ASTM Committee A01 and its subcommittees. The products of N08904 previously covered in this specification are now covered by Specifications A269 and A312/A312M.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, 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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  • Technical specification
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    English language
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