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Material
12Cr2Ni4A
Standard
GJB 1220A-2008
Speification for alloy structure steel bar for artillery parts
Standard
GJB 1951-1994
Specification for quality structure steel bars for avication
Standard
HB /Z 136-2000
Heat treatment process of aviation structural steel
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GJB 1951-1994
Specification for quality structure steel bars for avication
12Cr2Ni4A
Min
Max
HB /Z 136-2000
Heat treatment process of aviation structural steel
12Cr2Ni4A
Min
Max
GJB 1220A-2008
Speification for alloy structure steel bar for artillery parts
12Cr2Ni4A
Min
Max
For Reference Only
