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1.1 This specification establishes the requirements for copper-beryllium alloy forgings and extrusions produced from the following alloys.
|Copper Alloy UNS No.||Nominal % Composition Beryllium|
Note 1—Requirements for copper-beryllium alloy rod and bar appear in Specification B 196/B 196M (Section 2).
1.2 Unless otherwise specified, Copper Alloy UNS No. C17200 shall be the alloy furnished whenever Specification B 570 is specified without any alloy designation.
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 for information only and are not considered standard.
1.4 The following hazard statement pertains only to the test method portions of the 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B194 Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar
B196/B196M Specification for Copper-Beryllium Alloy Rod and Bar
B249/B249M Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
B601 Classification for Temper Designations for Copper and Copper AlloysWrought and Cast
B846 Terminology for Copper and Copper Alloys
E8/E8M Test Methods for Tension Testing of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E112 Test Methods for Determining Average Grain Size
UNSPSC Code 31133100(Copper forgings); 31111605(Copper impact extrusions)
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ASTM B570-06, Standard Specification for Copper-Beryllium Alloy (UNS Nos. C17000 and C17200) Forgings and Extrusions, ASTM International, West Conshohocken, PA, 2006, www.astm.orgBack to Top