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Normas ASTM – AENOR
ASTM B870-08

ASTM B870-08

Standard Specification for Copper-Beryllium Alloy Forgings and Extrusions Alloys (UNS Nos. C17500 and C17510)

Fecha:
2014-04-30 /Historical
Superseeded by:
Abstract:

This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are specified: UNS No. C17500 and C17510. The material of manufacture should be a cast billet conforming to the chemical composition requirements for the alloy specified. The product shall be manufactured by hot working or extrusion, solution heat-treating, precipitation hardening, and straightening. The material shall conform to the chemical composition for the alloy specified. The material shall conform to the electrical conductivity requirements specified. Hardness test and tensile test shall be made to conform to the requirements specified.

Scope:

1.1 This specification establishes the requirements for copper-beryllium alloy forgings and extrusions. The following alloys are specified:

Copper Alloy
UNS No.
Nominal Composition, %
BerylliumCobaltNickel
C175000.502.6
C175100.401.8

1.2 UnitsThe 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 to Sections 10 and 11 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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords:
copper beryllium extrusions; copper beryllium forgings; UNS Alloy C17500; UNS Alloy C17510; Copper-beryllium alloys--specifications; Extrusion alloys; UNS C17500 (beryllium copper); UNS C17510 (beryllium copper)
45,48
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