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Material
JB /T 6396-2006
Specification for the heavy alloy structural steel forings
Material Designation
Chemical Composition (%)
20Cr
Min
Max
20CrMnMo
Min
Max
20CrMnTi
Min
Max
16CrMn
Min
Max
20CrMn
Min
Max
15Cr2Ni2
Min
Max
17Cr2Ni2Mo
Min
Max
20SiMn
Min
Max
35SiMn
Min
Max
42SiMn
Min
Max
28CrNi2MoV
Min
Max
20MnMo
Min
Max
35CrMo
Min
Max
18MnMoNb
(
20MnMoNb
)
Min
Max
42MnMoV
Min
Max
20Cr2Ni4
Min
Max
34CrNi3Mo
Min
Max
40CrNiMo
Min
Max
40CrMnMo
Min
Max
18Cr2Ni4W
Min
Max
38CrMoAl
Min
Max
40Cr
Min
Max
50Cr
Min
Max
25CrMo
Min
Max
42CrMo
Min
Max
50CrMo
Min
Max
30Cr2Ni2Mo
Min
Max
34Cr2Ni2Mo
Min
Max
For Reference Only
