化学成分 |
GradeA |
GradeB |
GradeC |
C(max) |
0.25 |
0.30 |
0.35 |
Mn |
0.27–0.93 |
0.29–1.06 |
0.29–1.06 |
P(max) |
0.035 |
0.035 |
0.035 |
S(max ) |
0.035 |
0.035 |
0.035 |
Si(min) |
0.10 |
0.10 |
0.10 |
Cr(max ) |
0.4 |
0.4 |
0.4 |
Cu(max) |
0.4 |
0.4 |
0.4 |
Mo(max) |
0.15 |
0.15 |
0.15 |
Ni(max ) |
0.40 |
0.40 |
0.40 |
V(max) |
0.08 |
0.08 |
0.08 |