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Material
300M
Standard
HB /Z 136-2000
Heat treatment process of aviation structural steel
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
40CrNi2Si2MoVA
(
300M
)
Min
Max
GB /T 38809-2020
General specification for low alloy ultra-high strength steels
42CrNi2Si2MoVA
(
300M
)
Min
Max
HB /Z 136-2000
Heat treatment process of aviation structural steel
40CrNi2Si2MoVA
(
300M
)
Min
Max
GJB 5063-2001
Specification for ultra-high strength steel bars for aviation and areospace
40CrNi2Si2MoVA
(
300M
)
Min
Max
For Reference Only
