牌号和化学成份(Wt,%)
牌号 |
C |
Si |
Mn |
S |
P |
Gr |
Mo |
WZB-NM360 |
≤0.21 |
≤1.90 |
≤1.30 |
≤0.015 |
≤0.020 |
≤0.80 |
≤0.60 |
注:①碳当量(Ceq%)=C Mn/20 Si/30 Mo/15 Cu/20 B/5
根据内控成份范围,其碳当量(Cep)≤0.44%