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Low alloy high strength structure steel | Q295, Q345, Q390, Q420, Q460 | |
Prime Carbon structure steel | 10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45,S45C, C45 | |
| 30Mn2,40Mn2,27SiMn,42Crmo,20Cr,40Cr,20CrMo,35CrMo, 20CrMnTi,30CrMnTi,20MnVB, 20MnTiB,20CrNiMo,Q345B, 35MnBM,40MnB,36Mn2V,45MnV | |
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Structural steels subject to end-quench hardenability requirements | 20CrMnTi, 30CrMnTi,20Cr, 40Cr,30CrMo,42CrMoA, 27SiMn,40Mn2H,20CrNiMo, 40Mn2,q345b,35MnBM, 40MnB,45MnV. | |
Oil wells structural steel | | |
Marine anchor chain steel | | YB/T66-1987 GB/T18669-2002 |
| A,B,D,E,AH32,AH36,DH32,DH36,EH32,EH36,AH-FH420,AH-FH460,AH-FH500,AH-FH550,AH-FH620,AH-FH690 | CCS,ABS,GL,BV,DNV,NK,LR,KR,RINA |