C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Mo
|
Nb
|
V
|
Ti
|
B
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
≤
|
0.18
|
0.5
|
1.5
|
0.02
|
0.01
|
0.9
|
1.2
|
0.6
|
0.06
|
0.08
|
0.03
|
0.003
|
规格
|
Rp0.2
|
Rm
|
A50
|
AKV(-20℃,J)
|
冷弯
|
|
MPa
|
MPa
|
%
|
横向
|
纵向
|
d=3a
|
|
8∽30
|
≥890
|
≥980
|
≥12
|
≥30
|
≥40
|
完好
|
31∽50
|
≥860
|
≥950
|
≥27
|
≥35
|