YS/T 335-2009
Metallographic determination methods of oxygen content in oxygen-free copper (English Version)

Standard No.

YS/T 335-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 335-2009

Replace

YS/T 335-1994

Scope

This standard specifies the principles, instruments and equipment, specimens and specimen preparation, test procedures and requirements and test reports for the metallographic examination of the oxygen content of oxygen-free copper. This standard is applicable to the grade inspection of oxygen content of oxygen-free copper.

YS/T 335-2009 history

• 2009 YS/T 335-2009 Metallographic determination methods of oxygen content in oxygen-free copper
• 1970 YS/T 335-1994 Metallographic examination of oxygen content in oxygen-free copper for electric vacuum devices