Q390C irin awo

Q390C irin ohun elo bi Q390C irin awo, Q390C yika bar, Q390C irin igun bar, Q390C square ati onigun re ṣofo ruju ni gbogbo wa ni Xinsteel ile ise.CEV tun npe ni CEQ fun Q390C pẹlu sisanra dogba ati unders 30mm yoo jẹ pọju 0.45% nigba yiyi. CEV=CEQ=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.