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ASTM International - ASTM B770-21

Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications

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Organization: ASTM International
Publication Date: 1 October 2021
Status: active
Page Count: 5
ICS Code (Copper products): 77.150.30
scope:

1.1 This specification establishes requirements for sand castings produced from copper-beryllium alloys. The following alloys are covered:

Copper Alloy
UNS No.
Designation Copper Nickel Beryllium
C81400 70C 99.1 ... 0.06
C82000 10C 97 ... 0.5
C82200 3C, 14C 98 2.0 0.5
C82400

A

165C, 165CT

A

97.8 ... 1.7
C82500

A

20C, 20CT

A

97.2 ... 2.0
C82510 21C 96.6 ... 2.0
C82600

A

245C, 245CT

A

96.8 ... 2.4
C82800

A

275C, 275CT

A

96.6 ... 2.6
C96700 72C 67.2 31.0 1.2

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 requirements 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.

abstract:

This specification establishes requirements for copper-beryllium alloy sand castings for general applications and covers Copper Alloy UNS Nos. C81400, C82000, C82200, C82400, C82500, C82510,... View More

Document History

ASTM B770-21
October 1, 2021
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1.1 This specification establishes requirements for sand castings produced from copper-beryllium alloys. The following alloys are covered: Copper Alloy UNS No. Designation Copper Nickel...
May 1, 2015
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1.1 This specification establishes requirements for copper-beryllium alloy sand castings for general applications and nominal compositions alloys defined by this specification are shown in Table 1.2...
April 1, 2010
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
This specification establishes requirements for copper-beryllium alloy sand castings for general applications and covers Copper Alloy UNS Nos. C81400, C82000, C82200, C82400, C82500, C82510, C82600,...
October 1, 2009
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1.1 This specification establishes requirements for copper-beryllium alloy sand castings for general applications and nominal compositions alloys defined by this specification are shown in Table 1....
April 1, 2008
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
This specification establishes requirements for copper-beryllium alloy sand castings for general applications and covers Copper Alloy UNS Nos. C81400, C82000, C82200, C82400, C82500, C82510, C82600,...
May 1, 2005
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1.1 This specification establishes requirements for copper-beryllium alloy sand castings for general applications and nominal compositions alloys defined by this specification are shown in . 1.2...
April 10, 2002
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1.1 This specification establishes requirements for copper-beryllium alloy sand castings for general applications and nominal compositions alloys defined by this specification are shown in Table...
April 10, 2002
Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications
1.1 This specification establishes requirements for copper-beryllium alloy sand castings for general applications and nominal compositions alloys defined by this specification are shown in Table...
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