|
牌号
|
等级
|
化学成分（质量分数）(%)
|
||||||||||
|
C
≤
|
Mn
|
Si
≤
|
P
≤
|
S
≤
|
V
|
Nb
|
Ti
|
AI≥
|
Cr
≤
|
Ni
≤
|
||
|
Q460
|
C
|
0.20
|
1.00
~
1.70
|
0.55
|
0.035
|
0.035
|
0.02
~
0.20
|
0.015
~
0.060
|
0.02
~
0.20
|
0.015
|
0.70
|
0.70
|
|
D
|
0.030
|
0.030
|
0.015
|
0.70
|
0.70
|
|||||||
|
E
|
0.025
|
0.025
|
0.015
|
0.70
|
0.70
|
|||||||
