Category | Grade | Size | Standard |
Carbon Structure Steel | Q195,Q215,Q235,Q275 | 16mm-250mm | GB/T700-2006 |
Low Alloy high strength structure steel | Q295,Q345,Q390,Q420,Q460 | 16mm-250mm | GB/T1591-2008 |
Prime Carbon Sturcture steel | 10#,20#,35#,45#,60#,20Mn,65Mn,B2,B3,JM20,SH45,S45C,C45 | 16mm-250mm | GB/T699-1999 |
Alloy structure steel | 30Mn2,40Mn2,27SiMn,42Crmo,20Cr,40Cr,20CrMo,35CrMo,20CrMnTi,30CrMnTi,20Mn2VB,20MnTiB,20CrNiMo,Q345B,35MnBM,40MnB,36Mn2V,45MnV | 16mm-250mm | GB/T3077-1999 |
Spring Steel | 65Mn,60Si2Mn,50CrVA | 16mm-250mm | GB/T1222-84 |
Bearing Steel | GCr15,GCr15GD,55SiMoV | 16mm-250mm | GB/T182542002 |
Structural steels subject to end-quench hardenability requirements | 20CrMnTi, 30CrMnTi,20Cr, 40Cr,30CrMo,42CrMoA, 27SiMn,40Mn2H,20CrNiMo,40Mn2,q345b,35MnBM,40MnB,45MnV. | 16mm-250mm | GB/T5216-2004 |
Oil wells structural steel | 37Mn5, 36Mn2V | 16mm-250mm | Q/LYS248-2007 |
Marine anchor chain steel | CM490, CM690, M30Mn2 | 16mm-250mm | YB/T66-1987 GB/T18669-2002 |