Home
>
Material
20CrA
Standard
GB /T 3077-2015
Alloy structure steels
Standard
GJB 1951-1994
Specification for quality structure steel bars for avication
Standard
GJB 2151-1994
Specification for cold-rolled alloy structure steel sheets for aerospace
Standard
HB /Z 136-2000
Heat treatment process of aviation structural steel
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 3077-2015
Alloy structure steels
20CrA
(
A20203
)
Min
Max
GJB 1951-1994
Specification for quality structure steel bars for avication
20CrA
Min
Max
HB /Z 136-2000
Heat treatment process of aviation structural steel
20CrA
Min
Max
GJB 2151-1994
Specification for cold-rolled alloy structure steel sheets for aerospace
20CrA
Min
Max
For Reference Only
