Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 3271-1987
Scope
This standard applies to nickel-chromium-molybdenum steel materials for mechanical structures (hereinafter referred to as steel materials) that are manufactured by hot rolling, hot forging, etc. and are used for forging, cutting, etc. processing and heat treatment.
CNS 3271-1987 history
1987CNS 3271-1987 Nickel Chromium Molybdenum Steels for Machine Structural Use