BS 3839:1978
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for oxygen-free high-conductivity copper for electronic tubes and semiconductor devices
Hardcopy , PDF
02-08-2013
English
30-11-1978
Cooperating organizations
Foreword
1 Scope
2 References
3 General requirements
4 Chemical composition
5 Temper
6 Embrittlement test
7 Quench test for oxide adherence
8 Metallographic examination
Appendix A - Extract from ISO Recommendation
R 1190/2-1971 Copper and copper
alloys - Code of designation -
Part II: Designation of tempers
Appendix B - Extract from ISO 2624-1973
Copper and copper alloys -
Estimation of average grain size
Publications referred to
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