ASTM B453M-96

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Designation: B 453M – 96
METRIC
Standard Specification for
1
Copper-Zinc-Lead Alloy (Leaded-Brass) Rod [Metric]
This standard is issued under the fixed designation B 453M; 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.
TABLE 1 Nominal Composition, %
1. Scope *
Copper Alloy
1.1 This specification establishes the requirements for
Copper Zinc Lead
UNS No.
copper-zinc-lead alloy (leaded-brass) rod produced from Cop-
C33500 63.5 36.0 0.5
per Alloys UNS Nos. C33500, C34000, C34500, C35000,
C34000 63.5 35.4 1.1
C35300, and C35600. These alloys have the nominal compo-
C34500 63.5 34.5 2.0
C35000 62.0 36.6 1.4
sition given in Table 1.
C35300 62.0 36.0 2.0
1.1.1 This product is suitable for applications requiring
C35600 61.5 36.0 2.5
extensive machining prior to such cold-forming operations as
swaging, flaring, severe knurling, or thread rolling.
E 478 Test Methods for Chemical Analysis of Copper
1.2 This specification is the companion to inch-pound
4
Alloys
Specification B 453.
1.3 The values stated in SI units are the standard.
3. Ordering Information
NOTE 1—Refer to Specifications B 16M and B 140M for copper-zinc-
3.1 Contracts or purchase orders for product under this
lead (leaded-brass) rod and bar for screw machine applications.
specification should include the following information:
3.1.1 ASTM designation and year of issue (for example,
2. Referenced Documents
B453M – XX),
2.1 The following documents in the current Book of Stan-
3.1.2 Copper Alloy UNS Number designation (Section 1
dards form a part of this specification to the extent referenced
and Table 2),
herein:
3.1.3 Temper (Section 5),
2.2 ASTM Standards:
3.1.4 Form (cross section such as round, hexagonal, or
B 16M Specification for Free-Cutting Brass Rod, Bar, and
2 octagonal),
Shapes for Use in Screw Machines [Metric]
3.1.5 Dimensions (diameter or distance between parallel
B 140M Specification for Copper-Zinc-Lead (Leaded Red
surfaces),
Brass, or Hardware Bronze) Rod, Bar, and Shapes [Met-
2 3.1.6 Length,
ric]
3.1.7 Weight: total for each form, and size, and
B 249M Specification for General Requirements for
3.1.8 When product is purchased for agencies of the U.S.
Wrought Copper and Copper-Alloy Rod, Bar, Shapes, and
Government.
2
Forgings [Metric]
3.2 The following requirements are optional and should be
B 453 Specification for Copper-Zinc-Lead Alloy (Leaded-
specified in the ordering information when required:
2
Brass) Rod
3.2.1 Tensile test for product over 12 mm in diameter or
B 601 Practice for Temper Designations for Copper and
distance between parallel surfaces,
2
Copper Alloys—Wrought and Cast
3.2.2 Certification, and
E 8M Test Methods for Tension Testing of Metallic Mate-
3.2.3 Mill test report.
3
rials
E 18 Test Methods for Rockwell Hardness and Rockwell
4. Chemical Composition
3
Superficial Hardness of Metallic Materials
4.1 The material shall conform to the requirements in Table
2 for the Copper Alloy UNS No. designation specified in the
1
This specification is under the jurisdiction of ASTM Committee B-5 on Copper
contract or purchase order.
and Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,
4.1.1 These specification limits do not preclude the presence
Bar, Shapes, and Forgings.
Current edition approved May, 10, 1996. Published July 1996. Originally of other elements. Limits may be established and analysis
published as B 453M – 83. Last previous edition B 453M – 95.
2
Annual Book of ASTM Standards, Vol 02.01.
3 4
Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 03.05.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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B 453M
TABLE 2 Chemical Requirements
scribed in Table 4 for the specified temper and size when tested
Composition, % in accordance with Test Methods E 8M.
Copper Alloy
UNS No.
Copper Lead Iron Zinc
7. Purchases for U.S. Government
C33500 62.0–65.0 0.25–0.7 0.15 max remainder
C34000 62.0–65.0 0.8–1.5 0.15 max remainder 7.1 When specified in the contract or purchase order,
C34500 62.0–65.0 1.5–2.5 0.15 max remainder
product purchased for agencies of the U.S. Government shall
C35000 61.0–63.0 0.8–2.0 0.15 max remainder
conform to the special government requirements stipulated in
C35300 61.0–63.0 1.5–2.5 0.15 max remainder
C35340 60.0–63.0 1.5–2.5 0.10–0.30 remainder
the Supplementary Requirements section.
C35600 60.0–63.0 2.0–3.0 0.15
...