Home
>
Material
GB /T 38809-2020
General specification for low alloy ultra-high strength steels
Material Designation
Chemical Composition (%)
45CrNiMo1VA
(
D6AC
)
Min
Max
40CrNi2MoA
(
4340
)
Min
Max
40CrNi2Si2MoVA
(
300M
)
Min
Max
42CrNi2Si2MoVA
(
300M
)
Min
Max
30CrMnSiNi2A
(
N31
)
Min
Max
30Si2MnCrMoVE
(
D406A
)
Min
Max
31Si2MnCrMoVE
(
D406A
)
Min
Max
For Reference Only
