China Mild Square Tube 25X25mm Square Steel Tube Carbon Steel Square Rectangular Tube, Find details about China Steel Welded Tubes, Steel Hollow Section Tube from Mild Square Tube 25X25mm Square Steel Tube Carbon Steel Square Rectangular Tube
Type of steel | GB | ASTM(SAE) | JIS |
Carbon steel Low alloy steel | Q195,Q215, Q235,Q345 | A285MGr.B A570MGr.A | SS330 SS400,SS490... |
Quality carbon steel | 10,20,35,40,60 20Mn,25Mn, 35Mn,40Mn | 1010,1020,1035, 1045,1060,1022, 1026,1037,1039 | S10C,S20C, S35C,S45C... |
Alloy structure steel | 20Mn2,40Mn2,20Cr,40Cr, 20CrMo,35CrMo,42CrMo, 20CrMnTi,20Cr2Ni4, 40CrNiMo | 1320,1345,5120, 5140,4118,4135, 4140,3316,4340 | SMn420,SMn438, SCr420,SCr440 SCM430,SCM435 SCM440,SCN815 SNCM439 |
Cold heading steel | ML10,ML20,ML30, ML35,ML35CrMo, ML42CrMo,ML15MnB | 1012,1020,1030 1034,4135,4140, 1518 | SWRCH10R SWRCH20K SWARCH35K SNB7 |
Spring steel | 65Mn,60Si2Mn,50CrVA | 1066,6150 | SCP6,SCP10 |
Bearing steel | GCr15 | E52100 | SUJ2 |
Stainless steel | 1Cr13,2Cr13 | 412,420 | SUS410,SUS420 |
Tooling steel | T8,T10 W6Mo5Cr4V2 | W1A-8, W1A-9.5,M2 | SK7,SK4,SKH9 |
Free cutting steel | Y12,Y12Pb,Y15, Y15Pb,Y40Mn | 1212,11L08,1215 12L13,12L14,1141 | SUM21,SUM32, SUM22L,SUM42... |