Q370qC正火钢板
|
||||
C
|
Si
|
Mn
|
Nb
|
V
|
≤0.18
|
≤0.55
|
1.0-1.6
|
0.005-0.06
|
0.01-0.08
|
Ti
|
Cr
|
Ni
|
Cu
|
N
|
0.006-0.03
|
≤0.30
|
≤0.30
|
≤0.30
|
≤0.008
|
Q370qC热机械轧制钢板
|
||||
C
|
Si
|
Mn
|
Nb
|
V
|
≤0.14
|
≤0.55
|
1.0-1.6
|
0.01-0.09
|
0.01-0.08
|
Ti
|
Cr
|
Ni
|
Cu
|
N
|
0.006-0.03
|
≤0.30
|
≤0.30
|
≤0.30
|
≤0.008
|
牌号
|
质量等级
|
屈服强度 ReL(N/mm2)
|
抗拉强度Rm/(N/mm2)
|
伸长率A/%
|
冲击功(纵向)Akv/J
|
|||
钢板厚度/mm
|
||||||||
≤50
|
>50-100
|
>100-150
|
温度
|
不小于
|
||||
Q370q
|
C
|
≥370
|
≥360
|
-
|
≥510
|
≥20
|
0
|
120
|
D
|
-20
|
|||||||
E
|
-40
|