ASTM B103/B103M-15
(Specification)Standard Specification for Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar
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 establishes 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. 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. The following alloys are covered:
Copper Alloy UNS No.2
Nominal Composition, %
Previously Used Designation
Copper
Tin
Zinc
Lead
C51000
95
5
. . .
. . .
A1
C51100
96
4
. . .
. . .
A
C51180
96
4
. . .
. . .
. . .
C51900
94
6
. . .
. . .
C52100A
92
8
. . .
. . .
C
C52180
92
8
. . .
. . .
. . .
C52400
90
10
. . .
. . .
D
C53400
94
5
. . .
1
B1
C54400
88
4
3
4
B2(A) SAE Specification CA 521 conforms to the requirements of UNS No. C52100.
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 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 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 The following safety hazard caveat pertains only to the test method(s) described in this specification.
1.3.1 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 determine the applicability of regulatory limitations prior to use.
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Designation:B103/B103M −15
Standard Specification for
1
Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar
This standard is issued under the fixed designation B103/B103M; 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 U.S. Department of Defense.
1. Scope* 1.3 The following safety hazard caveat pertains only to the
test method(s) described in this specification.
1.1 This specification establishes the requirements for
1.3.1 This standard does not purport to address all of the
copper-tin alloy (phosphor bronze), copper-tin-lead alloy
safety concerns, if any, associated with its use. It is the
(leadedphosphorbronze),andcopper-tin-lead-zincalloy(bear-
responsibility of the user of this standard to establish appro-
ing bronze), plate, sheet, strip, and rolled bar. The phosphor
priate safety and health practices and determine the applica-
bronzes commonly are used for deep drawing into bellows and
bility of regulatory limitations prior to use.
stamping and forming into spring devices and into terminals
and connectors for electrical apparatus because they combine
2. Referenced Documents
high strength with high elongation. The leaded phosphor
3
2.1 ASTM Standards:
bronzes are used where strength, corrosion resistance, and
B248 Specification for General Requirements for Wrought
machinability are required. The bearing bronze is used in
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
bushings, bearings, and load-bearing thrust washers. The
Bar
following alloys are covered:
B248M SpecificationforGeneralRequirementsforWrought
Copper Alloy Nominal Composition, % Previously Used
2
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
UNS No. Copper Tin Zinc Lead Designation
Bar (Metric)
C51000 95 5 . . . . . . A1
B601 Classification forTemper Designations for Copper and
C51100 96 4 . . . . . . A
Copper Alloys—Wrought and Cast
C51180 96 4 . . .
C51900 94 6 . . . . . .
B846 Terminology for Copper and Copper Alloys
A
C52100 92 8 . . C
E8/E8M Test Methods for Tension Testing of Metallic Ma-
C52180 92 8 . . . . . . . . .
terials
C52400 90 10 . . . . . . D
C53400 94 5 . . . 1 B1
E62 Test Methods for Chemical Analysis of Copper and
C54400 88 4 3 4 B2
4
CopperAlloys (Photometric Methods) (Withdrawn 2010)
E75 Test Methods for Chemical Analysis of Copper-Nickel
A
SAE Specification CA 521 conforms to the requirements of UNS No. C52100.
4
and Copper-Nickel-Zinc Alloys (Withdrawn 2010)
NOTE 1—All of the above alloys contain small amounts of phosphorus,
E255 Practice for Sampling Copper and Copper Alloys for
used as a deoxidant in melting, and to enhance the mechanical properties.
the Determination of Chemical Composition
1.2 The values stated in either inch-pound units or SI units
E478 Test Methods for ChemicalAnalysis of CopperAlloys
are to be regarded separately as standard. Within the text, SI
E527 Practice for Numbering Metals and Alloys in the
units are shown in brackets. The values stated in each system
Unified Numbering System (UNS)
may not be exact equivalents; therefore, each system shall be
used independently of the other. Combining values from the
3. General Requirements
two systems may result in non-conformance with the standard.
3.1 The following sections of Specifications B248 and
B248M constitute a part of this specification.
3.1.1 Terminology,
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
3.1.2 Materials and Manufacturing,
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
Sheet, and Strip.
Current edition approved May 15, 2015. Published June 2015. Originally
3
approved in 1936. Last previous edition approved in 2010 as B103/B103M – 10. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
DOI: 10.1520/B0103_B0103M-15. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
The UNS system for copper and copper alloys (see Practice E527) is a simple Standards volume information, refer to the standard’s Document Summary page on
expansion of the former standard designation system accomplished by the addition the ASTM website.
4
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate The last approved version of this historical standard is referenced on
composition variations of the base alloy. 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
1
---------------------- Page: 1 ----------------------
B10
...
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: B103/B103M − 10 B103/B103M − 15
Standard Specification for
1
Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar
This standard is issued under the fixed designation B103/B103M; 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 U.S. Department of Defense.
1. Scope*
1.1 This specification establishes 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. 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. The following alloys are covered:
Copper Alloy Nominal Composition, % Previously Used
2
UNS No. Designation
Copper Tin Zinc Lead
C51000 95 5 . . . . . . A1
C51100 96 4 . . . . . . A
C51180 96 4 . . . . . . . . .
C51900 94 6 . . . . . .
A
C52100 92 8 . . . . . . C
C52180 92 8 . . . . . . . . .
C52400 90 10 . . . . . . D
C53400 94 5 . . . 1 B1
C54400 88 4 4 4 B2
C54400 88 4 3 4 B2
__________________
A
SAE Specification CA 521 conforms to the requirements of UNS No. C52100.
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 The values stated in either SIinch-pound units or inch-poundSI units are to be regarded separately as standard. Within the
text, 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.
1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification.
1.3.1 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 determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
3
2.1 ASTM Standards:
B248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
B248M Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
(Metric)
B601 Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
1
This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
Sheet, and Strip.
Current edition approved April 1, 2010May 15, 2015. Published May 2010June 2015. Originally approved in 1936. Last previous edition approved in 20092010 as
B103/B103M – 09.B103/B103M – 10. DOI: 10.1520/B0103_B0103M-10. 10.1520/B0103_B0103M-15.
2
The UNS system for copper and copper alloys (see Practice E527) is a simple expansion of the former standard designation system accomplished by the addition of a
prefix “C” and a suffix “00.” The suffix can be used to accommodate composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. 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
1
---------------------- Page: 1 ----------------------
B103/B103M − 15
B846 Terminology for Copper and Copper Alloys
E8E8/E8M Test Methods for Tension Testing of Metallic Materials
4
E8M Test Methods for Tension Testing of Metallic Materials [Metric] (Withdrawn 2008)
4
E54 Test Methods for Chemical Analysis of Special Brasses and Bronzes (Withdrawn 2002)
4
E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (P
...
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