C
|
Si
|
Mn
|
P
|
S
|
Ni
|
≤0.2
|
≤0.55
|
≤1.6
|
≤0.025
|
≤0.015
|
≤0.7
|
Cr
|
Cu
|
Nb
|
V
|
Ti
|
Als
|
≤0.3
|
≤0.3
|
0.015-0.06
|
0.02-0.2
|
0.01-0.03
|
≥0.015
|
屈从强度ReH
|
抗拉强度
|
伸长率
|
型冲击功(纵向)Akv/j
|
||||
钢板厚度/mm
|
|||||||
8-16
|
16-35
|
35-50
|
50-100
|
温度
|
不小于
|
||
≥390
|
390-510
|
380-500
|
370-490
|
490-650
|
≥20
|
0
|