成分 |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Nb |
Ti |
B |
HG785D |
≤0.12 |
≤0.40 |
≤1.8 |
≤0.025 |
≤0.015 |
≤0.75 |
≤0.70 |
≤0.50 |
≤0.060 |
≤0.020 |
≤0.0020 |