ASTM B283/B283M-22 - 1.10.2022
 
1. Scope

1.1?This specification establishes the requirements for copper and copper alloy die forgings produced by the hot pressing method. The following copper and copper alloys are included:

Copper or Copper Alloy UNS No.

Name

C11000

copper

C14500

copper-tellurium

C14700

copper-sulfur

C27450

plumbing brass

C27451

plumbing brass

C27453

copper zinc alloy

C28500

copper-zinc brass

C35330

leaded brass

C36300

copper-zinc-lead

C36500

leaded Muntz metal

C37000

free-cutting Muntz metal

C37700

forging brass

C46400

naval brass

C46500

naval brass, arsenical

C46750

tin brass

C48200

medium leaded naval brass

C48500

leaded naval brass

C48600

naval brass

C48640

DZR brass

C48645

DZR tin brass

C49250

copper-zinc-bismuth alloy

C49255

copper-zinc-bismuth-nickel alloy

C49260

copper-zinc-bismuth alloy

C49265

copper-zinc-tin-bismuth, low leaded

C49300

copper-zinc-tin-bismuth alloy

C49340

copper-zinc-tin-bismuth alloy

C49345

copper-zinc-tin-bismuth, low leaded

C49350

copper-zinc-tin-bismuth alloy

C49355

bismuth brass

C61900

aluminum bronze

C62300

aluminum bronze, 9 %

C63000

aluminum-nickel bronze

C63200

aluminum-nickel bronze

C64200

aluminum-silicon bronze

C64210

aluminum-silicon bronze, 6.7 %

C65500

high-silicon bronze (A)

C65680

high-silicon bronze

C67500

manganese bronze (A)

C67600

. . .

C69300

copper-zinc-silicon

C69410

copper-zinc-silicon

Copper or Copper Alloy UNS No.

Name

C69850

copper-zinc-silicon

C70620

copper-nickel 90-10

C71520

copper-nickel 70-30

C77400

nickel silver, 45-10

C87700

silicon bronze

C87710

silicon bronze

?

?

Copper Alloy EN 1412 Nos.

Name

CW612N

forging brass

CW617N

forging brass

1.2?UnitsThe 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.

Note 1:?Nominal composition and relative forgeability ratings are given in Appendix X1. Copper-nickel alloys C70620 and C71520 are intended for welded applications with seawater exposure.

Note 2:?Guidelines for design and development of forgings are included in Appendix X2.

Note 3:?Wrought product intended for hot forging is described in Specification B124/B124M.

1.3?The following safety caveat pertains only to Section 10 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.

 
2. Referenced Documents

ASME

B846-24

Standard Terminology for Copper and Copper Alloys

B249/B249M-23

Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings

ISO 7602

Determination of Tellurium Content (High Content)Flame Atomic Absorption Spectrometric Method Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

B124/B124M-20

Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes

E75-76(1996)

Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys

E62-89(1996)

Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)

E8/E8M-25

Standard Test Methods for Tension Testing of Metallic Materials

Method for Determination of Bismuth in Copper and Copper Alloys Available from Japanese Standards Association (JSA), Mita MT Bldg., 3-13-12 Mita, Minato-ku, Tokyo, 108-0073, Japan, http://www.jsa.or.jp. (Japanese Industrial Standards)

MIL-STD-792

E478-24

Standard Test Methods for Chemical Analysis of Copper Alloys