Home
>
Material
4340
Standard
GB /T 38809-2020
General specification for low alloy ultra-high strength steels
Standard
GJB 5063-2001
Specification for ultra-high strength steel bars for aviation and areospace
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 38809-2020
General specification for low alloy ultra-high strength steels
40CrNi2MoA
(
4340
)
Min
Max
GJB 5063-2001
Specification for ultra-high strength steel bars for aviation and areospace
40CrNi2MoA
(
4340
)
Min
Max
For Reference Only