圆钢系列 合结钢,碳结钢,模具钢,轴承钢,工具钢,弹簧钢,齿轮钢,冷拉圆钢,热扎圆钢,锻制圆钢. 圆钢材质有；8＃,10＃,15＃,20＃,25＃,30＃,35＃,45＃,20Cr,35Cr,40Cr,45Cr,50Cr,15Mn,16Mn（Q345B）,50Mn,65Mn, Q235B（A3） 15CrMo,20CrMo,35CrMo,42CrMo,5CrMnMo,38CrMoAL,YF45MnV, Cr12 Cr12MoV,Gr15,40Mn2,45Mn2,60Si2Mn,20CrMnTi,20MnTiB,ML35,T8A,T9A,T10A,T11A T12A,T13A,3Cr2W8V,20CrMnMo,40CrMnMo,20CrNiMo,27SiMn….. 电话：022-86877858 手机：13512003338 地址：天津市北辰区天盈道钢材市场