nitrogen and hydrogen
nitrogen and hydrogen, Total:3 items.
The international standard classification for "nitrogen and hydrogen" includes: Heat treatment and coating .
The Chinese standard classification for "nitrogen and hydrogen" includes: Heat treatment .
Professional Standard - Machinery
- JB/T 7530-1994 General technical conditions of argon, nitrogen and hydrogen for heat treatment
- JB/T 7530-2007 General technical requirements for argon nitrogen and hydrogen gases used in heat treatmen
Group Standards of the People's Republic of China
- T/CHBAS 26-2022 Mixed gas 4% hydrogen/nitrogen for electronic industry
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