低合金高强度钢板：12Mn15MnVN16Mn15MnV14MnNbQ295(A.B)Q345(A.B.C.D.E)Q390(A.B.C.D.E)Q420(Q.B.C.D.E)Q460(C.D.E)Q500(D.E)Q550(D.E)Q620(D.E)Q690(D.E)***490(A.B.C)***490Y(A.B)***520(B.C)***570SS490SS540St44-3St52-3St50-2St60-2St70-2StE315StE355StE380StE420StE460StE500A572M(Gr.42.50.60.65)A633M(A.C.D.E)S275(JR.J0,J2G3,J2G4)S355(JR,J0.J2G3,J2G4,K2G3,K2G4)E295E335E360S275NS275NLS355NS355NLS420NS420NLS460NS462NL50(A.B.C.D.DD.EE.F)43(A.B.C.D.)55(C.EE.F)WH60WH410LK(BB41BF)WH490LK(B***3)E35(DD.E)E460(CC.DD.E)E420(DD.E)E460(DD.E)E550(DD.E)E690(CC.DD.E)Fe430(A.B.C.D)Fe510(B.C.D)执行标准：GM1591GB/T1591JISG3106JISG3101GB/T16270JISG3106JISG3101DIN17100DIN17102ASTMEN10025EN10113BS4360专用条件ISO4590-2ISO630主要用途：制造厂房，一般建筑及各类工程机械，如矿山和各类工程施工有的钻机、电铲、电动轮翻斗车、矿用汽车、挖掘机、装载机、推土机、各类起重机、煤矿液压支架等机械设备及其它结构件。)