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Material
40CrMnMo
Standard
GB /T 3077-1999
Alloy Structure Steels
Standard
GB /T 3077-2015
Alloy structure steels
Standard
GJB 1220A-2008
Speification for alloy structure steel bar for artillery parts
Standard
GB /T 3078-2019
Quality structural steel cold drawm bars
Standard
JB /T 6396-2006
Specification for the heavy alloy structural steel forings
Standard
GB /T 37618-2019
Nitriding steels
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 3077-1999
Alloy Structure Steels
40CrMnMo
(
A34402
)
Min
Max
GB /T 3078-2019
Quality structural steel cold drawm bars
40CrMnMo
Min
Max
JB /T 6396-2006
Specification for the heavy alloy structural steel forings
40CrMnMo
Min
Max
GB /T 3077-2015
Alloy structure steels
40CrMnMo
(
A34402
)
Min
Max
GJB 1220A-2008
Speification for alloy structure steel bar for artillery parts
40CrMnMo
Min
Max
GB /T 37618-2019
Nitriding steels
40CrMnMo
(
A34401
)
Min
Max
For Reference Only
