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ASTM B505-96

(Specification)

Standard Specification for Copper-Base Alloy Continuous Castings

Standard Specification for Copper-Base Alloy Continuous Castings

SCOPE
1.1 This specification establishes requirements for continuously cast rod, bar, tube, and shapes produced from copper-base alloys with nominal compositions as listed in Table 1.  
1.2 The values stated in inch-pound units are to be regarded as the standard. SI values given in parentheses are provided for information purposes only.

General Information

Status
Historical
Publication Date
09-Sep-1996
ICS
77.150.30 - Copper products
Technical Committee
B05 - Copper and Copper Alloys
Drafting Committee
B05.05 - Castings and Ingots for Remelting
Current Stage
Ref Project

Relations

Replaced By
ASTM B505/B505M-02 - Standard Specification for Copper-Base Alloy Continuous Castings
Effective Date
10-Oct-2002

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Technical specification
ASTM B505-96 - Standard Specification for Copper-Base Alloy Continuous Castings
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 505 – 96
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Copper-Base Alloy Continuous Castings
This standard is issued under the fixed designation B 505; 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 (e) 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 * 3.1.5 ASME Boiler and Pressure Vessel Code requirements
(Section 7),
1.1 This specification establishes requirements for continu-
3.1.6 When castings are purchased for agencies of the U.S.
ously cast rod, bar, tube, and shapes produced from copperbase
Government, the Supplementary Requirements of Specifica-
alloys with nominal compositions as listed in Table 1.
tion B 824 may be specified.
1.2 The values stated in inch-pound units are the standard.
3.2 The following requirements are optional and should be
SI values given in parentheses are provided for information
specified in the purchase order when required.
purposes only.
3.2.1 Chemical analysis of residual elements (Section 5),
2. Referenced Documents
3.2.2 Mechanical requirements, (Section 6),
3.2.3 Witness inspection (Specification B 824),
2.1 The following documents in the current issue of the
3.2.4 Certification (Specification B 824),
Book of Standards form a part of this specification to the extent
3.2.5 Foundry test report (Specification B 824),
referenced herein:
3.2.6 Product marking (Specification B 824),
2.2 ASTM Standards:
3.2.7 Castings for seawater service (Section 4),
B 208 Practice for Preparing Tension Test Specimens for
3.2.8 Approval of weld repair and records of repair (Section
Copper-Base Alloys for Sand, Permanent Mold, Centrifu-
9).
gal and Continuous Castings
B 824 Specification for General Requirements for Copper
4. Materials and Manufacture
Alloy Castings
4 4.1 For better corrosion resistance in sea water applications,
E 8 Test Methods for Tension Testing of Metallic Materials
castings in Copper Alloy C95800 shall be given a temperature
E 10 Test Method for Brinell Hardness of Metallic Materi-
anneal heat treatment at 1250 6 50°F (675 6 10°C) for 6 h
als
minimum. Cooling shall be by the fastest means possible that
E 18 Test Methods for Rockwell Hardness and Rockwell
will not cause excessive distortion or cracking. Propeller
Superficial Hardness of Metallic Materials
castings shall be exempt from this requirement.
E 527 Practice for Numbering Metals and Alloys (UNS)
4.2 Copper Alloy UNS Nos. C95300, C95400, C95410, and
3. Ordering Information
C95500 may be supplied in the heat-treated condition to obtain
the higher mechanical properties shown in Table 9. Suggested
3.1 Orders for continuous castings under this specification
heat treatments for these alloys and Copper Alloy UNS No.
should include the following information:
C95520 are given in Table 2. Actual practice may vary by
3.1.1 Specification title, number, and year of issue,
manufacturer.
3.1.2 Quantity, dimensions, and temper,
4.3 Copper Alloy UNS No. C95520 is used only in the
3.1.3 Copper Alloy UNS Number,
quench-hardened and tempered (TQ30) condition.
3.1.4 Tolerances, if different from Section 8 and Tables 2-8,
4.4 Copper Alloy UNS No. C96900 is normally supplied
heat treated at 1520°F (825°C) for 1 h followed by a water
quench, then aged at 800°F (425°C) for 4 h followed by a water
This specification is under the jurisdiction of ASTM Committee B-5 on Copper quench.
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
4.5 If test bar coupons representing castings made in Copper
Castings and Ingots for Remelting.
Alloy UNS Nos. C94700HT, C95300HT, C95400HT,
Current edition approved Sept. 10, 1996. Published November 1996. Originally
C95410HT, C95500HT, C95520HT, C95800 temper annealed,
published as B 505 – 70. Last previous edition B 505 – 95.
The UNS system for copper and copper alloys (see Practice E 527) is a simple
C95900 annealed and C96900 are removed from the continu-
expansion of the former standard designation system accomplished by the addition
ous castings before heat treatment, the coupons shall be heat
of a prefix “C” and a suffix “00”. The suffix can be used to accommodate
composition variations of the base alloy.
Annual Book of ASTM Standards, Vol 02.01.
4 6
Annual Book of ASTM Standards, Vol 03.01. Available from the American Society of Mechanical Engineers, United Engi-
Annual Book of ASTM Standards, Vol 01.01. neering Center, 345 East 47th St., New York, NY 10017.
*A Summary of Changes section appears at the end of this standard.
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 505
TABLE 1 Nominal Composition
Composition, %
Copper Alloy UNS
Designation
No.
Copper Tin Lead Zinc Nickel Aluminum Iron Manganese
C83600 leaded red brass 85 5 5 5 . . . .
C83800 leaded red brass 83 4 6 7 . . . .
C84200 leaded semi-red brass 80 5 2 13 . . . .
C84400 leaded semi-red brass 81 3 7 9 . . . .
C84800 leaded semi-red brass 76 3 6 15 . . . .
C85700 leaded naval brass 61 1 1 37 . . . .
C86200 high-strength yellow brass 66 . . 23 . 5 3 3
C86300 high-strength yellow brass 62 . . 26 . 6 3 3
C86500 high-strength yellow brass 58 . . 39 . 1 1 1
A
C89320 bismuth tin bronze 89 6 . . . . . .
C90300 tin bronze 88 8 . 4 . . . .
C90500 tin bronze 88 10 . 2 . . . .
C90700 tin bronze 89 11 . . . . . .
C91000 tin bronze 85 15 . . . . . .
C91300 tin bronze 81 19 . . . . . .
C92200 leaded tin bronze 88 6 2 4 . . . .
C92300 leaded tin bronze 87 8 1 4 . . . .
C92500 nickel-phosphor bronze 86.5 11 1 . 1.5 . . .
C92700 leaded tin bronze 88 10 2 . . . . .
C92800 leaded tin bronze 79 16 5 . . . . .
C92900 leaded nickel-tin bronze 84 10 2.5 . 3.5 . . .
C93200 high-leaded tin bronze 83 7 7 3 . . . .
C93400 high-leaded tin bronze 84 8 8 . . . . .
C93500 high-leaded tin bronze 85 5 9 1 . . . .
C93600 high-leaded tin bronze 81 7 12 . . . . .
C93700 high-leaded tin bronze 80 10 10 . . . . .
C93800 high-leaded tin bronze 78 7 15 . . . . .
C93900 high-leaded tin bronze 78 6 16 . . . . .
C94000 high-leaded tin bronze 72 13 15 . . . . .
C94100 high-leaded tin bronze 75 5 20 . . . . .
C94300 high-leaded tin bronze 70 5 25 . . . . .
C94700 nickel-tin bronze 88 5 0 2 5 . . .
C94800 leaded nickel-tin bronze 87 5 1 2 5 . . .
C95200 aluminum bronze 88 . . . . 9 3 .
C95300 aluminum bronze 89 . . . . 10 1 .
C95400 aluminum bronze 85 . . . . 11 4 .
C95410 aluminum bronze 84 . . . 2 10 4 .
C95500 nickel-aluminum bronze 81 . . . 4 11 4 .
C95520 nickel-aluminum bronze 78.5 . . . 5.5 11 5.0 .
C95700 manganese nickel aluminum 75 . . . 2 8 3 12
bronze
C95800 nickel-aluminum bronze 81.3 . . . 4.5 9 4 1.2
C95900 aluminum bronze 82.5 . . . . 13 4.5 .
C96400 copper-nickel 70 . . . 30 . . .
C96900 copper-nickel 76.6 8 . . 15 . . 0.4
C97300 leaded nickel bronze 57 2 9 20 12 . . .
C97600 leaded nickel bronze 64 4 4 8 20 . . .
C97800 leaded nickel bronze 66 5 2 2 25 . . .
B
C99500 special alloy 87 . . 1.5 4.5 1.7 4.0 .
A
Bismuth 5.0
B
Silicon 1.3
TABLE 2 Suggested Heat Treatments TABLE 3 Finishing Allowances for Tube (Round Only)
Annealing Treatment Finish Allowances Added to Finished or
Solution Treatment (not less than
Copper Alloy (not less than 2 h Finished Outside Diameter, Print
1 h followed by water quench),
UNS No. followed by air cool), in. (mm) Dimensions of the Part, in. (mm)
°F(°C)
°F(°C) Inside Diameter Outside Diameter
All Alloys Except as Noted Below
C95300 1585–1635 1150–1225
Up to 4 (102), excl −0.031 (−0.79) + 0.031 (0.79)
(860–890) (620–660)
4 (102)–5 (127), incl −0.063 (−1.6) + 0.063 (1.6)
Over 5 (127) −0.094 (−2.4) + 0.094 (2.4)
C95400,
Copper Alloy UNS Nos. C86200, C86300, C86500, C95200, C95300, C95400,
C95410, 1600–1675 1150–1225
C95500, C95800, C95900, and C96400
C95500 (870–910) (620–660)
Up to 3 (76.2), incl −0.125 (−3.2) + 0.063 (1.6)
Over 3 (76.2)–4 (102), incl −0.125 (−3.2) + 0.094 (2.4)
C95520 (2 h followed by water quench) 925–1000
Over 4 (102)–5 ⁄2 (140), incl −0.188 (−4.8) + 0.125 (3.2)
1600–1700 (870–925) (495–540)
Over 5 ⁄2 (140) −0.250 (−6.4) + 0.188 (4.8)
treated with the continuous castings.
ments for major elements shown in Table 10.
5. Chemical Composition
5.2 These specification limits do not preclude the presence
5.1 The continuous castings shall conform to the require- of other elements. Limits may be established and analysis
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 505
TABLE 4 Finishing Allowances for Rod and Bar TABLE 7 Roundness Tolerances
A
Squares, Maximum Out-of-Roundness,
Finished Outside Diameter or Outside Diameter, in. (mm)
Rectangles, in. (mm)
Distance Between Rounds
Hexagons,
Parallel Surfaces, in. (mm) Up to 4 (102), excl 0.020 (0.51)
Octagons
4 (102)–5 (127), incl 0.032 (0.81)
All Alloys Except as Noted Below
Over 5 (127) 0.064 (1.6)
Up to 4 (102), excl + 0.031 (0.79) + 0.031 (0.79) Copper Alloy UNS Nos. C86200, C86300, C86500, C95200, C95300, C95400,
4 (102)–5 (127), incl + 0.063 (1.6) + 0.063 (1.6) C95500, C95800, C95900, and C96400
Over 5 (127) + 0.094 (2.4) + 0.094 (2.4)
Up to 3 (76.2), incl 0.025 (0.64)
Copper Alloy UNS Nos. C86200, C86300, C86500, C95200, C95300, Over 3 (76.2)–4 (102), incl 0.040 (1.0)
C95400, C95500, C95800, C95900, C96400 Over 4 (102)–5 ⁄2 (140), incl 0.060 (1.5)
Over 5 ⁄2 (140) 0.075 (1.9)
Up to 3 (76.2), incl + 0.0625 (1.6) + 0.0625 (1.6)
A
Over 3 (76.2)–4 (102), incl + 0.093 (2.4) + 0.0625 (1.6) The deviation from roundness is measured as the difference between major
Over 4 (102)–5 ⁄2 (140), incl + 0.125 (3.2) + 0.0625 (1.6) and minor diameters as determined at any one cross section of the tube.
Over 5 ⁄2 (140) + 0.188 (4.8) + 0.0625 (1.6)
TABLE 8 Tolerances for Shapes
A B
TABLE 5 Diameter Tolerances for Rod and Bar Outside Dimension, in. (mm) Inside Dimension, in. (mm)
All Alloys Except as Noted Below
A A
Tolerances, Plus and Minus, in. (mm)
Diameter or Distance Be- Plus Minus Plus Minus
Squares, Rectangles,
tween Parallel Surfaces, 0.016 (0.41) 0.016 (0.41) 0.032 (0.81) 0.064 (1.6)
Rounds Hexagons,
in. (mm) Copper Alloy UNS Nos. C86200, C86300, C86500, C95200, C95300, C95400,
Octagons
C95500, C95800, C95900, and C96400
All Alloys Except as Noted Below
Dimensional tolerances for all other shapes (not covered by 4.1 or 4.2) shall be
Up to 4 (102), excl 0.005 (0.13) 0.016 (0.41)
subject to agreement between purchaser and manufacturer.
4 (102)–5 (127), incl 0.008 (0.20) 0.016 (0.41)
A
Over 5 (127) 0.016 (0.41) 0.016 (0.41) When tolerances are specified as all plus or all minus, double the values given.
B
Copper Alloy UNS Nos. C86200, C86300, C86500, C95200, C95300, C95400, When tolerances are specified as all plus or all minus, total the values given.
C95500, C95800, C95900, and C96400
Up to 3 (76.2), incl 0.010 (0.25) 0.020 (0.51)
Over 3 (76.2)–4 (102), incl 0.015 (0.38) 0.020 (0.51)
6.3 Exceptions to mechanical property requirements may be
Over 4 (102)–5 ⁄2 (140), incl 0.020 (0.51) 0.020 (0.51)
Over 5 ⁄2 (140) 0.025 (0.64) 0.025 (0.64)
taken in the case of small diameter solids or castings having
A
When tolerances are specified as all plus or all minus, double the values given.
section thicknesses less than the ⁄2-in. (12.7-mm) diameter
nominal size of the standard tension test specimen. In these
TABLE 6 Diameter Tolerances for Tube (Round Only)
cases, mechanical property requirements shall be subject to
agreement between the purchaser and the manufacturer. For
Tolerances, in. (mm)
Outside
suggested dimensions of subsize test bars see Test Methods
Average Outside Diameter, Inside Diameter
Diameter
in. (mm)
E8.
A
Plus or
B B
Plus Minus
A
Minus
All Alloys Except as Noted Below
7. ASME Requirements
Up to 4 (102), excl 0.005 (0.13) 0.012 (0.30) 0.033 (0.84)
7.1 When specified in the purchase order to meet ASME
4 (102)–5 (127), incl 0.008 (0.20) 0.016 (0.41) 0.046 (1.2)
Over 5 (127) 0.016 (0.41) 0.032 (0.81) 0.064 (1.6)
Boiler and Pressure Vessel Code requirements, continuous
Copper Alloy UNS Nos. C86200, C86300, C86500, C95200, C95300, C95400,
castings shall comply with the following:
C95500, C95800, C95900, and C96400
7.1.1 Certification requirements of Specification B 824.
Up to 3 (76), incl 0.010 (0.25) 0.012 (0.32) 0.033 (0.84)
Over 3 (76)–4 (102), incl 0.015 (0.38) 0.015 (0.38) 0.050 (1.3)
7.1.2 Foundry test report requirements of Specification
Over 4 (102)–5 ⁄2 (140), incl 0.020 (0.51) 0.025 (0.64) 0.070 (1.8)
B 824.
Over 5 ⁄2 (140) 0.025 (0.64) 0.035 (0.86) 0.090 (2.3)
7.1.3 Continuous castings shall be marked with the manu-
A
When tolerances are specified as all plus or all minus double the values given.
B
facturer’s name, the Copper Alloy UNS No., and the casting
When tolerances are specified as all plus or all minus, total the values given.
quality factor. In addition, heat numbers, or serial numbers that
are traceable to heat numbers, shall be marked on all pressure-
required for unnamed elements agreed upon between the
containing castings individually weighing 50 lb. (22.7 kg) or
manufacturer or supplier and the purchaser. Copper or zinc
more. Pressure-containing castings weighing less than 50 lb.
may be given as remainder and may be taken as the difference
(22.7 kg.) shall be marked with either the heat number or a
between the sum of all elements analyzed and 100 %. When all
serial number that will identify the casting as to the month in
named elements in Table 10 are analyzed, their sum shall be as
which it was poured. Marking shall be in such a position as not
specified in Table 11.
to injure the usefulness of the casting.
5.3 It is recognized that residual elements may be present in
7.1.4 When Copper Alloy UNS No. C95200 is specified to
cast copper-base alloys. Analysis shall be made for residual
meet ASME Boiler and Pressure Vessel Code requirements a
elements only when spec
...

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1.1 This guide covers the editorial procedures and form and style for product specifications under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys.
Note 1: For standards other than product specifications, such as test methods, practices, and guides, see the appropriate sections of Form and Style for ASTM Standards (Blue Book).2  
1.2 This guide has been prepared as a supplement to the current edition of the Form and Style Manual, and is appropriate for use by the subcommittees within ASTM Committee B05 on Copper and Copper Alloys. This guide is to be applied in conjunction with the Form and Style Manual. The Appendix contains a copy of the B05 electronic template which includes adopted language for various sections and provides a template for drafting B05 product specifications.
Note 2: The contents of this guide were previously maintained as a white paper under the title, “ASTM Committee B05 Outline of Form of Specifications.”  
1.3 Subcommittees preparing new product specifications or revising existing ones should follow the practices and procedures outlined herein, and be guided by the latest specifications covering similar commodities.  
1.4 If a conflict exists between this guide and the mandatory sections of the current edition of the Form and Style Manual, the Form and Style Manual requirements have precedence. If a conflict exists between this guide and the nonmandatory sections of the current edition of the Form and Style Manual, this guide has precedence.  
1.5 When patents are involved, the specifications writer should refer to the Form and Style Manual section on patents and trademarks. Also, refer to part F of the Form and Style Manual for trademark information and the safety hazards caveat.  
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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ASTM
ASTM B188-15(2023)(Specification)
Standard Specification for Seamless Copper Bus Pipe and Tube

ABSTRACT
This specification covers seamless copper bus pipe and tube intended for use as electrical conductors. The material shall be manufactured by such hot-working, cold-working, and annealing processing as to produce a uniform, seamless wrought structure in the finished product. The method of manufacture shall be such that the finished material conforms to the specified temper properties. The material shall conform to the requirements for the copper UNS no. as specified. The material shall be furnished in either the O60 (soft anneal) or H80 (hard drawn) temper. The material shall conform to the maximum electrical resistivity requirements prescribed. The product shall conform to the prescribed mechanical property requirements. The product shall conform to the prescribed bend testing requirements. The test specimens of material designated as Copper UNS Nos. C10100, C10200, C10300, C10400, C10500, C10700, and C12000 shall be free of cuprous oxide. When tested, material designated as Copper UNS nos. C10100, C10200, C10300, C10400, C10500, C10700, and C12000 shall pass the embrittlement test. The product shall be passed through an eddy-current testing unit adjusted to provide information on the suitability of the product for the intended application.
SIGNIFICANCE AND USE
18.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.    
Property  
Rounded Unit for Calculated
or Observed Value  
Chemical composition  
nearest unit in the last right-hand place of figures
of the specified limit  
Hardness  
Electrical resistivity  
nearest unit in the last right-hand place of figures  
Electrical conductivity  
Tensile strength  
nearest ksi (5 MPa)  
Elongation: below 5 %  
nearest multiple of 0.5 %  
5 % and over  
nearest 1 %
SCOPE
1.1 This specification establishes the requirements for seamless copper bus pipe and tube intended for use as electrical conductors.  
1.1.1 The product shall be made from one of the following coppers, as denoted in the ordering information:2    
Copper
UNS No.2  
Previously
Used
Designation  
Type of Copper  
C10100  
OFE  
Oxygen-free, electronic    
C10200  
OF  
Oxygen-free without residual deoxidants  
C10300  
—  
Oxygen-free, extra low phosphorus  
C10400, C10500,
C10700  
OFS  
Oxygen-free, silver bearing  
C11000  
ETP  
Electrolytic tough pitch  
C11300, C11400,
C11600  
STP  
Silver-bearing tough pitch  
C12000  
DLP  
Phosphorized, low residual phosphorus  
1.2 Unless otherwise specified, any one of the above coppers may be furnished.  
1.3 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, which are provided for information only and are not considered standard.  
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 B271/B271M-23(Specification)
Standard Specification for Copper-Base Alloy Centrifugal Castings

ABSTRACT
This specification establishes the requirements for copper-based brass or bronze centrifugal castings. Mechanical properties are determined from test bar castings and should meet the requirements listed herein. Brinell hardness readings should be taken on the grip end of tension test bars. All castings should not be repaired by welding without customer approval. UNS C95520 copper alloy castings are used in the heat treated condition only.
SCOPE
1.1 This specification covers requirements for centrifugal castings of copper-base alloys having the nominal compositions shown in Table 1.  
1.2 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.  
1.3 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
ASTM B103/B103M-23(Specification)
Standard Specification for Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar

ABSTRACT
This specification covers plate, rolled bar, sheet, and strip of copper-tin alloy (phosphor bronze plate), copper-tin-lead alloy (leaded phosphor bronze), and copper-tin-lead-zinc alloy (bearing bronze). Copper alloys covered include UNS Nos. C51000, C51100, C51180, C51900, C52100, C52180, C52400, C53400, and C54400. Product shall be manufactured by hot or cold working, rolling, and annealing. Chemical composition of the materials shall conform to UNS designation of the material. Product shall conform to chemical analysis, tensile strength and Rockwell hardness tests specified in the specification. Chemical composition testing shall be performed for each element, namely, copper, iron, lead, phosphorus, tin, and zinc. Tension test shall be made so that the longitudinal axis of the specimen is parallel to direction of rolling.
SCOPE
1.1 This specification covers the requirements for copper-tin alloy (phosphor bronze), copper-tin-lead alloy (leaded phosphor bronze), and copper-tin-lead-zinc alloy (bearing bronze), plate, sheet, strip, and rolled bar for general application produced from Copper Alloy UNS Nos. C51000, C51100, C51180, C51900, C52100, C52180, C52400, C53400, and C54400. The phosphor bronzes commonly are used for deep drawing into bellows and stamping and forming into spring devices and into terminals and connectors for electrical apparatus because they combine high strength with high elongation. The leaded phosphor bronzes are used where strength, corrosion resistance, and machinability are required. The bearing bronze is used in bushings, bearings, and load-bearing thrust washers.
Note 1: All of the above alloys contain small amounts of phosphorus, used as a deoxidant in melting, and to enhance the mechanical properties.  
1.2 Units—The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not necessarily 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.  
1.3 The following safety hazard caveat pertains only to the test method(s) 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.

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ASTM
ASTM B927/B927M-23(Specification)
Standard Specification for Brass Rod, Bar, and Shapes

ABSTRACT
This specification establishes requirements for brass rod (round, hexagonal, and octagonal), bar (rectangular and square), and shapes of UNS Alloys C21000, C22000, C23000, C24000, C26000, C26800, C27000, and C27400. The material shall be made from cast billets, logs, or rods of copper alloy, as determined by chemical analysis. The products shall be manufactured by such hot working, cold working, and annealing processing as to produce a uniform wrought structure. The material shall conform to the chemical compositional requirements prescribed for copper, lead, iron, and zinc. The standard tempers, either hard or soft anneal (namely: O60, H01, H02, and H04), for rod and bar are specified. Tensile requirements to which the product shall conform includes tensile strength, yield strength, and elongation. The dimensional requirements for rods, bars, and shapes are given.
SCOPE
1.1 This specification establishes requirements for brass rod (round, hexagonal, and octagonal), bar (rectangular and square), and shapes of UNS Alloys C21000, C22000, C23000, C24000, C26000, C26800, C27000, C27400, C27450, C27451, C27453, C27550, and C28500.  
1.2 Units—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.  
1.3 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
ASTM B249/B249M-23(Specification)
Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings

ABSTRACT
This specification establishes the general requirements common to wrought copper and copper alloy rods, bars, shapes, and forgings. Products shall be manufactured by hot working, cold working, or both, and finished by cold working, annealing, or heat treatment and straightening as identified necessary to meet the properties specified. Materials shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (mass, diameter, length, straightness, and edge contours), mechanical (tensile strength, Rockwell hardness, elongation, and hydrogen embrittlement), electrical resistivity, chemical composition, and grain size requirements. The products shall also meet performance requirements when subjected to residual stress, mercurous nitrate, ammonia vapor, and semiguided bend tests. In the event of conflict between this specification and the individual casting product specifications, the requirements of the casting specification shall take precedence.
SIGNIFICANCE AND USE
12.1 For the purpose of determining compliance with the specified limits for requirements of the properties listed in the following table and for dimensional tolerances, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.    
Property  
Rounded Unit for Observed or
Calculated Value  
Chemical composition  
Hardness  
nearest unit in the last right-hand  
Electrical resistivity  
significant digit used in expressing the  
Electrical conductivity  
limiting value  
Tensile strength  
nearest ksi [5 MPa]  
Yield strength  
Elongation:  
nearest 1 %  
Grain size:  
Under 0.060 mm  
nearest multiple of 0.005 mm  
0.060 mm and over  
nearest 0.01 mm
SCOPE
1.1 This specification2 covers the general requirements common to wrought copper and copper alloy rod, bar, shapes, and forgings which shall apply to Specifications B16/B16M, B21/B21M, B98/B98M, B124/B124M, B138/B138M, B139/B139M, B140/B140M, B150/B150M, B151/B151M, B187/B187M, B196/B196M, B283/B283M, B301/B301M, B371/B371M, B411/B411M, B441, B453/B453M, B455, B570, B870, B927/B927M, B929, B967/B967M, B974/B974M, and B981/B981M to the extent referenced therein.  
1.2 The chemical composition, physical and mechanical properties, and all other requirements not included in this specification are prescribed in the product specification.  
1.3 Units—The values stated in either SI units or inch-pound 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 be used independently of the other, and values from the two systems shall not be combined.  
1.3.1 Within the text the SI values are given 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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