A.0.45% B.4.5% C.45% D.0.045%
A.硫含量為%0.0235 B.溫度在235攝氏度下的熱加工 C.鋼的出廠標號 D.鋼的屈服點數(shù)值為235Mpa
A.ws≤0.045%;wP≤0.045% B.ws≤0.035%;wP≤0.035% C.ws≤0.020%;wP≤0.020% D.ws=0;wP=0