GB/T 33220-2016: Copper-beryllium alloy forgings and extrusions -- General specification

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Scope

This Standard specifies the requirements, order information, materials and
manufacturing, chemical composition, state, grain size, physical properties,
mechanical properties, heat treatment, dimensions and allowable deviation,
process, final processing, appearance and test method of copper-beryllium
alloy forgings and extrusions.
This Standard applies to copper-beryllium alloy forgings and extrusions whose
alloy grades are C17000 (Be content of 1.7%) and C17200 (Be content of 1.9%).
The alloys, which are not indicated with the grade, in this Standard, are C17200
copper-beryllium alloys.

Basic Data

Standard ID	GB/T 33220-2016 (GB/T33220-2016)
Description (Translated English)	Copper-beryllium alloy forgings and extrusions -- General specification
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J32
Classification of International Standard	77.150.30
Word Count Estimation	10,180
Date of Issue	2016-12-13
Date of Implementation	2017-07-01
Regulation (derived from)	National Standard Notice No.160 of 2016
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China