冷冲压用低合金钢:1.0972,1.0974,1.0976,1.0978,S315MC,S340MC,S355MC,S380MC,QStE340TM,QStE360TM,QStE380TM,QStE420TM,,QStE460TM,QStE500TM,QStE550TM,QStE260N,QStE300N,QStE340N,QStE360N,QStE280N,QStE420N,QStE460N,QStE500N,QStE550N,S420MC,S460MC,S500MC,S550MC,S600MC,S700MC,S650MC,S260NC,S315NC,S340NC,S355NC,S380NC,S420NC,S460NC,S500NC,S550NC,1.0980,1.0982,1.0984,1.0986,1.8969,1.8976,1.8974,1.8976,1.0971,1.0973,1.0975,1.0977,1.0979,1.981,1.0983,1.0985,1.0987,