Structural alloy steel round bars, more grade as follow,
20Mn2 1320, 1321 150M19 SMn420 20Mn5
30Mn2 1330 150M28 SMn433H 32M5 30Mn5
35Mn2 1335 150M36 SMn438(H) 35M5 36Mn5
40Mn2 1340 SMn443 40M5
45Mn2 1345 SMn443 46Mn7
50Mn2 ~55M5
20MnV 20MnV6
35SiMn En46 37MnSi5
42SiMn En46 46MnSi4
40B TS14B35
45B 50B46H
40MnB 50B40
45MnB 50B44
15Cr 5115 523M15 SCr415(H) 12C3 15Cr3
20Cr 5120 527A19 SCr420H 18C3 20Cr4
30Cr 5130 530A30 SCr430 28Cr4
35Cr 5132 530A36 SCr430(H) 32C4 34Cr4
40Cr 5140 520M40 SCr440 42C4 41Cr4
45Cr 5145, 5147 534A99 SCr445 45C4
38CrSi
12CrMo 620CR. B 12CD4 13CrMo44
15CrMo A-387Cr. B 1653 STC42 12CD4
20CrMo 4119, 4118 CDS12 SCT42 18CD4 20CrMo44
CDS110 STT42
STB42
25CrMo 4125 En20A 25CD4 25CrMo4
30CrMo 4130 1717COS110 SCM420 30CD4
42CrMo 4140 708A42 42CD4 42CrMo4
708M40
35CrMo 4135 708A37 SCM3 35CD4 34CrMo4
12CrMoV
12Cr1MOV 13CrMoV42
25Cr2Mo1VA
20CrV 6120 22CrV4
40CrV 6140 42CrV6
50CrVA 6150 735A30 SUP10 50CV4 50CrV4
15CrMn
20CrMn 5152 527A60 SUP9
30CrMnSiA
40CrNi 3140H 640M40 SNC236 40NiCr6
20CrNi3A 3316 20NC11 20NiCr14
30CrNi3A 3325 653M31 SNC631H 28NiCr10
3330 SNC631
20MnMoB 80B20
38CrMoAlA 905M39 SACM645 40CAD6.12 41CrAlMo07
40CrNiMoA 4340 871M40 SNCM439 40NiCrMo22
Alloy Steel (SKD12)




