ASTM B929-23

Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar

ABSTRACT
This specification covers the requirements for UNS C72900 copper-nickel-tin alloy rods and bars. Products should be manufactured by hot working, cold working, and annealing processes to produce a uniform wrought structure in the finished product. Each product should then be hot or cold worked to the finished size, and if required, should be subsequently annealed to meet the specified temper properties. The tensile strength and Rockwell hardness values from prescribed tests on the products should fall within the required range.
SCOPE
1.1 This specification covers the requirements for copper-nickel-tin alloy UNS No. C72900 rod and bar.  
1.2 Units—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.  
1.3 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.  
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.

General Information

• Status: Published
• Publication Date: 31-Mar-2023
• ICS: 77.150.30 - Copper products
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.02 - Rod, Bar, Wire, Shapes and Forgings

Relations

• Refers: ASTM E23-24 - Standard Test Methods for Notched Bar Impact Testing of Metallic Materials
• Effective Date: 01-Apr-2024
• Refers: ASTM E1823-24a - Standard Terminology Relating to Fatigue and Fracture Testing
• Effective Date: 15-Feb-2024
• Refers: ASTM E1823-24 - Standard Terminology Relating to Fatigue and Fracture Testing
• Effective Date: 01-Feb-2024
• Refers: ASTM E8/E8M-24 - Standard Test Methods for Tension Testing of Metallic Materials
• Effective Date: 01-Jan-2024
• Refers: ASTM B950-23 - Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
• Effective Date: 01-Oct-2023
• Refers: ASTM B249/B249M-23 - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
• Effective Date: 01-Oct-2023
• Refers: ASTM E1823-20 - Standard Terminology Relating to Fatigue and Fracture Testing
• Effective Date: 01-Feb-2020
• Refers: ASTM B249/B249M-19a - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
• Effective Date: 01-Oct-2019
• Refers: ASTM B846-19a - Standard Terminology for Copper and Copper Alloys
• Effective Date: 01-Aug-2019
• Refers: ASTM B249/B249M-19 - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
• Effective Date: 01-Apr-2019
• Refers: ASTM B846-19 - Standard Terminology for Copper and Copper Alloys
• Effective Date: 01-Jan-2019
• Refers: ASTM B601-18a - Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
• Effective Date: 01-Oct-2018
• Refers: ASTM B249/B249M-18a - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
• Effective Date: 01-Oct-2018
• Refers: ASTM E18-18 - Standard Test Methods for Rockwell Hardness of Metallic Materials
• Effective Date: 01-Jul-2018
• Refers: ASTM B249/B249M-18 - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
• Effective Date: 01-Mar-2018

Overview

ASTM B929-23, titled Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar, provides comprehensive requirements for rods and bars manufactured from copper-nickel-tin alloy, specifically UNS C72900. Developed by ASTM International, this standard addresses the manufacturing methods, mechanical properties, chemical composition, and dimensional tolerances necessary to ensure quality and consistency in copper-nickel-tin alloy products. These specifications are vital for industries that require materials combining excellent mechanical strength, hardness, and corrosion resistance, serving critical applications across various sectors.

Key Topics

• Material Scope: Covers copper-nickel-tin alloy rods and bars identified as UNS C72900, which typically feature approximately 77% copper, 15% nickel, and 8% tin.
• Manufacturing Processes: Requires products to be made using hot working, cold working, and annealing to achieve a uniform wrought structure. Further hot or cold finishing and, when specified, subsequent annealing are used to meet required tempers.
• Mechanical Properties: Establishes ranges of tensile strength and Rockwell hardness. These properties must be validated using standardized test methods such as ASTM E8/E8M for tension testing and ASTM E18/E10 for hardness testing.
• Chemical Composition: Specifies strict limits for major and trace elements, ensuring high material purity, as listed in standardized tables within the specification.
• Product Temper: Details standard tempers achievable by combinations of solution annealing and spinodal hardening, as well as temper designations and associated mechanical values.
• Dimensions and Tolerances: Offers precise criteria for standard sizes, mass, permissible variation, straightness, and edge contours, with additional references to related standards for wrought copper and copper alloy products.
• Testing and Certification: Outlines requirements for sampling, testing frequency, inspection, and reporting, including options for additional testing or certifications as needed by the purchaser.

Applications

Copper-nickel-tin spinodal alloy rods and bars manufactured to ASTM B929-23 standards are essential in demanding environments requiring superior mechanical strength, wear resistance, and corrosion resistance. Common applications include:

• Marine Engineering: Components for seawater systems, bearings, pump shafts, and valve stems due to excellent resistance to biofouling and corrosion.
• Aerospace and Defense: Critical parts that benefit from high strength-to-weight ratio and durability.
• Industrial Equipment: Bushings, gears, connectors, and springs where reliable mechanical properties and consistent product quality are vital.
• Electrical and Electronics: Terminals and connector applications where corrosion resistance and mechanical performance are essential.

By specifying ASTM B929-23 for copper-nickel-tin alloy components, manufacturers and engineers ensure compliance with globally recognized guidelines for material quality, processing, and performance.

Related Standards

For a comprehensive approach to copper and copper alloy products, ASTM B929-23 references and aligns with several related industry standards:

• ASTM B249/B249M: General requirements for wrought copper and copper-alloy rod, bar, shapes, and forgings.
• ASTM B601: Classification for temper designations of copper and copper alloys.
• ASTM B846: Terminology for copper and copper alloys.
• ASTM E8/E8M: Test methods for tension testing of metallic materials.
• ASTM E18, E10, E140: Hardness testing methods and conversion tables for metals.
• ASTM E23: Test methods for notched bar impact testing of metallic materials.
• ASTM E478: Test methods for chemical analysis of copper alloys.

Specifying the correct standards ensures compatibility, safety, and consistent quality across the supply chain for copper-nickel-tin rod and bar products. For further guidance, refer to ASTM’s documentation or consult with material testing specialists.

Standards Content (Sample)

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.
Designation: B929 − 23
Standard Specification for
Copper-Nickel-Tin Spinodal Alloy Rod and Bar
This standard is issued under the fixed designation B929; 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* E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Ma-
1.1 This specification covers the requirements for copper-
terials
nickel-tin alloy UNS No. C72900 rod and bar.
E23 Test Methods for Notched Bar Impact Testing of Me-
1.2 Units—The values stated in inch-pound units are to be
tallic Materials
regarded as standard. The values given in parentheses are
E53 Test Method for Determination of Copper in Unalloyed
mathematical conversions to SI units that are provided for 3
Copper by Gravimetry (Withdrawn 2022)
information only and are not considered standard.
E75 Test Methods for Chemical Analysis of Copper-Nickel
1.3 The following safety hazard caveat pertains only to the
and Copper-Nickel-Zinc Alloys (Withdrawn 2010)
test methods described in this specification: This standard does E140 Hardness Conversion Tables for Metals Relationship
not purport to address all of the safety concerns, if any,
Among Brinell Hardness, Vickers Hardness, Rockwell
associated with its use. It is the responsibility of the user of this Hardness, Superficial Hardness, Knoop Hardness, Sclero-
standard to establish appropriate safety, health, and environ-
scope Hardness, and Leeb Hardness
mental practices and determine the applicability of regulatory E478 Test Methods for Chemical Analysis of Copper Alloys
limitations prior to use.
E1823 Terminology Relating to Fatigue and Fracture Testing
1.4 This international standard was developed in accor-
3. General Requirements
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the 3.1 The following sections of Specification B249/B249M
Development of International Standards, Guides and Recom- constitute a part of this specification:
mendations issued by the World Trade Organization Technical 3.1.1 Dimensions, Mass, and Permissible Variations
Barriers to Trade (TBT) Committee. 3.1.2 Number of Tests and Retests
3.1.3 Specimen Preparation
2. Referenced Documents
3.1.4 Significance of Numerical Limits
3.1.5 Inspection
2.1 ASTM Standards:
3.1.6 Rejection and Rehearing
B249/B249M Specification for General Requirements for
3.1.7 Certification
Wrought Copper and Copper-Alloy Rod, Bar, Shapes and
3.1.8 Test Report
Forgings
3.1.9 Packaging and Package Marking
B601 Classification for Temper Designations for Copper and
3.1.10 Supplementary Requirements
Copper Alloys—Wrought and Cast
B846 Terminology for Copper and Copper Alloys
3.2 In addition, when a section with a title identical to that
B950 Guide for Editorial Procedures and Form of Product
referenced in 3.1 appears in this specification, it contains
Specifications for Copper and Copper Alloys
additional requirements which supplement those appearing in
E8/E8M Test Methods for Tension Testing of Metallic Ma-
Specification B249/B249M.
terials
4. Terminology
4.1 For definitions of terms related to copper and copper
This specification is under the jurisdiction of ASTM Committee B05 on Copper
alloys, refer to Terminology B846.
and Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,
Bar, Wire, Shapes and Forgings.
5. Ordering Information
Current edition approved April 1, 2023. Published April 2023. Originally
5.1 Include the following specified choices when placing
approved in 2005. Last previous edition approved in 2017 as B929 – 17. DOI:
10.1520/B0929-23.
orders for products under this specification, as applicable:
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B929 − 23
5.1.1 ASTM designation and year of issue, 7.2 These composition limits do not preclude the presence
5.1.2 Copper Alloy UNS No. C72900, of other elements. By agreement between the manufacturer and
5.1.3 Temper (Section 8), purchaser, limits may be established and analysis required for
5.1.4 Dimensions—diameter or distance between parallel unnamed elements.
surfaces, width, thickness, and length,
7.3 Copper is listed as “remainder.” Copper is the difference
5.1.5 How furnished—stock lengths or specific lengths,
between the sum of results of all elements determined and
with or without ends, and
100 %. When all elements in Table 1 are determined, the sum
5.1.6 Quantity—total weight or total length or number of
of results shall be 99.7 % minimum.
pieces of each size.
5.2 The following options are available and, when required,
8. Temper
shall be specified at the time of placing the order:
8.1 The standard tempers for products described in this
5.2.1 Heat identification or traceability details,
specification are given in Table 2. (See Classification B601.)
5.2.2 Certification,
8.1.1 TX00, TX02—Spinodally Hardened (AT). Solution
5.2.3 Test Report,
annealed and spinodally hardened to different minimum yield
5.2.4 Type of edge on bar (square corners, rounded corners,
strength levels, respectively.
rounded edge, full-rounded edge), and
8.1.2 TS02, TS04, TS06, TS08—Suitably cold worked and
5.2.5 If product is purchased for agencies of the U.S.
spinodally hardened to respectively increasing strength levels.
Government see the Supplementary Requirements section of
Specification B249/B249M for additional requirements, if
9. Mechanical Property Requirements
specified.
9.1 Tensile Strength Requirements:
6. Materials and Manufacture
9.1.1 Products furnished under this specification shall con-
6.1 Materials: form to the tensile requirements prescribed in Table 2, when
6.1.1 The material of manufacture shall be a cast and hot tested at room temperature in accordance with Test Methods
worked form of Copper Alloy UNS No. C72900, of such purity E8/E8M.
and soundness as to be suitable for processing into the products
9.2 Rockwell Hardness Requirement:
prescribed herein.
9.2.1 The approximate Rockwell hardness values given in
6.1.2 When specified in the contract or purchase order that
Table 2 are for general information and assistance in testing
heat identification or traceability is required, the purchaser
and shall not be used as a basis for product rejection.
shall specify the details desired.
NOTE 2—The Rockwell hardness test offers a quick and convenient
NOTE 1—Due to the discontinuous nature of the processing of castings
method of checking for general conformity to the specification require-
into wrought products, it is not always practical to identify a specific
ments for temper and tensile strength.
casting analysis with a specific quantity of finished material.
9.3 Charpy V-Notch (CVN) Impact Requirements:
6.2 Manufacture:
9.3.1 When specified by the contract or purchase order,
6.2.1 The product shall be manufactured by such hot
products furnished under this specification shall conform to the
working, cold working, and annealing processes as to produce
minimum average absorbed energy values prescribed in Table
a uniform wrought structure in the finished product.
3 when tested at room temperature using averaged results of
6.2.2 The product shall be hot or cold worked to the finished
triplicate full-size Charpy (simple-beam) (Type A) impact
size, with intermediate heat treatments, when required, and
specimens tested in accordance with Test Methods E23.
final spinodal hardening to meet the temper properties speci-
9.3.2 Any temper not represented in Table 3 may be impact
fied.
tested when requested by the purchaser; however, the average
CVN absorbed energy value shall be for information only.
7. Chemical Composition
7.1 The material shall conform to the chemical composition
10. Dimensions, Mass, and Permissible Variation
requirements in Table 1 for the Copper Alloy UNS No.
C72900. 10.1 The dimensions and tolerances for products described
7.1.1 Results of analysis on a check sample shall conform to by this specification shall be as specified in Specification
the composition requirements within the permitted analytical B249/B249M with particular reference to the f
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B929 − 17 B929 − 23
Standard Specification for
Copper-Nickel-Tin Spinodal Alloy Rod and Bar
This standard is issued under the fixed designation B929; 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*
1.1 This specification establishescovers the requirements for copper-nickel-tin alloy UNS No. C72900 rod and bar. The following
alloy is included:
Copper Alloy
Nominal Composition, Weight %
UNS No.
Copper Nickel Tin
C72900 77 15 8
1.2 Units—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.
1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification.
1.3 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 and health practices and to 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.
2. Referenced Documents
2.1 ASTM Standards:
B249/B249M Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
B601 Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
B846 Terminology for Copper and Copper Alloys
B950 Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
E8/E8M Test Methods for Tension Testing of Metallic Materials
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,
Wire, Shapes and Forgings.
Current edition approved May 15, 2017April 1, 2023. Published June 2017April 2023. Originally approved in 2005. Last previous edition approved in 20112017 as
ɛ1
B929B929 – 17.- 05(2011) . DOI: 10.1520/B0929-17.10.1520/B0929-23.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B929 − 23
E53 Test Method for Determination of Copper in Unalloyed Copper by Gravimetry (Withdrawn 2022)
E75 Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn 2010)
E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness,
Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness
E478 Test Methods for Chemical Analysis of Copper Alloys
E1823 Terminology Relating to Fatigue and Fracture Testing
3. General Requirements
3.1 The following sections of Specification B249/B249M constitute a part of this specification:
3.1.1 Dimensions, Mass, and Permissible Variations;Variations
3.1.2 Number of Tests and Retests;Retests
3.1.3 Specimen Preparation;Preparation
3.1.4 Significance of Numerical Limits;Limits
3.1.5 Inspection;Inspection
3.1.6 Rejection and Rehearing;Rehearing
3.1.7 Certification;Certification
3.1.8 Test Report
3.1.9 Packaging and Package Marking; andMarking
3.1.10 Supplementary Requirements.Requirements
3.2 In addition, when a section with a title identical to that referenced in 3.1 above appears in this specification, it contains
additional requirements which supplement those appearing in Specification B249/B249M.
4. Terminology
4.1 Definitions—For definitions of terms related to copper and copper alloys, refer to Terminology B846.
5. Ordering Information
5.1 Include the following specified choices when placing orders for productproducts under this specification, as applicable:
5.1.1 ASTM designation and year of issue;issue,
5.1.2 Copper Alloy UNS No. C72900;C72900,
5.1.3 Temper (Section 8);),
5.1.4 Dimensions—diameter or distance between parallel surfaces, width, thickness, and length;length,
5.1.5 How furnished—stock lengths or specific lengths, with or without ends;ends, and
5.1.6 Quantity—total weight or total length or number of pieces of each size.
5.1.7 If product is purchased for agencies of the U.S. government (see the Supplementary Requirements section of Specification
B249/B249M for additional requirements, if specified).
The last approved version of this historical standard is referenced on www.astm.org.
B929 − 23
5.2 The following options are available but may not be included unless and, when required, shall be specified at the time of placing
of the order, when required:the order:
5.2.1 Heat identification or traceability details,
5.2.2 Certification,
5.2.3 Test Report,
5.2.4 Type of edge on bar (square corners, rounded corners, rounded edge, full-rounded edge), and
5.2.2 Certification (see Specification B249/B249M),
5.2.3 Mill Test Report (see Specification B249/B249M), and
5.2.5 Heat identification or traceability details (see If product is purchased for agencies of the U.S. Government see the
Supplementary Requirements section of Specification B249/B249M). for additional requirements, if specified.
6. Materials and Manufacture
6.1 Materials:
6.1.1 The material of manufacture shall be a cast and hot worked form of Copper Alloy UNS No. C72900, of such purity and
soundness as to be suitable for processing into the products prescribed herein.
6.1.2 In the event When specified in the contract or purchase order that heat identification or traceability is required, the purchaser
shall specify the details desired.
NOTE 1—Due to the discontinuous nature of the processing of castings into wrought products, it is not always practical to identify a specific casting
analysis with a specific quantity of finished material.
6.2 Manufacture:
6.2.1 The product shall be manufactured by such hot working, cold working, and annealing processes as to produce a uniform
wrought structure in the finished product.
6.2.2 The product shall be hot or cold worked to the finished size, with intermediate heat treatments, when required, and final
spinodal hardening to meet the temper properties specified.
7. Chemical Composition
7.1 The material shall conform to the chemical composition requirements in Table 1 for the Copper Alloy UNS No. C72900.
A
TABLE 1 Chemical Composition
Composition, %
Nickel,
Copper Alloy Previous Copper Iron, Zinc, Magnesium,
incl. Tin Manganese, max Niobium, max
UNS No. Designation (incl. silver) max max max
Cobalt
14.5 to 7.5 to 0.15
C72900 Cu-15Ni-8Sn Remainder 0.50 0.50 0.30 0.10
15.5 8.5
TABLE 1 Chemical Requirements
Composition, %
Copper Alloy Copper, Lead, Zinc, Iron, Nickel, Manganese, Magnesium, Niobium,
Designation Tin
UNS No. incl. silver max max max incl. Cobalt max max max
C72900 Cu-15Ni-8Sn Remainder 0.02 7.5 to 8.5 0.50 0.50 14.5 to 15.5 0.30 0.15 0.10
A
Lead 0.02 (0.005 maximum for hot rolling).
B929 − 23
7.1.1 Results of analysis on a product (check) check sample shall conform to the composition requirements within the permitted
analytical variance specified in Table 1.
7.2 These composition limits do not preclude the presence of other elements. By agreement between the manufacturer and
purchaser, limits may be established and analysis required for unnamed elements.
7.3 Copper is listed as “remainder.” Copper is the difference between the sum of results of all elements determined and 100 %.
When all elements in Table 1 are determined, the sum of results shall be 99.7 % minimum.
8. Temper
8.1 The standard tempers for products described in this specification are given in Table 2. (See Classification B601.)
8.1.1 TX00, TX02—Spinodally Hardened (AT). Solution annealed and spinodally hardened to different minimum yield strength
levels, respectively.
8.1.2 TS02, TS04, TS06, TS08—Suitably cold worked and spinodally hardened to respectively increasing strength levels.
9. Mechanical Property Requirements
9.1 Tensile Requirements—Strength Requirements: Product furnished under this specification shall conform to the tensile
requirements prescribed in Table 2, when tested at room temperature in accordance with Test Methods E8/E8M.
9.1.1 Products furnished under this specification shall conform to the tensile requirements prescribed in Table 2, when tested at
room temperature in accordance with Test Methods E8/E8M.
9.2 Rockwell Hardness Requirement—Requirement: The Rockwell hardness values given in Table 2 are for general information
and assistance in testing and shall not be used as a basis for product rejection.
9.2.1 The approximate Rockwell hardness values given in Table 2 are for general information and assistance in testing and shall
not be used as a basis for product rejection.
NOTE 2—The Rockwell hardness test offers a quick and convenient method of checking for general conformity to the specification requirements for temper
and tensile strength.
TABLE 2 Mechanical Property Requirements
Yield Strength,
Temper Nominal Dimension, Tensile Strength, min, Elongation Hardness, min,
(0.2 % Offset), min,
A B C
Designation in. (mm) ksi (MPa) in 4D, min, % HRC
A B
ksi (MPa)
1 to 4.25 (25 to 108), excl 15
D
TX00 110 (755) 90 (620) 23
4.25 to 9 (108 to 229), incl 12
0.595 to 4.25 (15 to 108), excl 132 (910) 10
D
TX02 110 (755) 30
4.25 to 9 (108 to 229), incl 127 (875) 6
0.75 to 3.25 (19 to 83), incl 106 (730)
TS02 95 (655) 18 93 HRB
Over 3.25 to 6 (83 to 152), incl 105 (720)
0.75 to 3.25 (19 to 83), incl 24
TS04 120 (825) 110 (755) 15
Over 3.25 to 6 (83 to 152), incl 22
TS06 0.75 to 6 (19 to 152), incl 140 (965) 130
...