| Classification | Grades | ||
| GB | JIS | ASTM/AISI | |
| Low Carbon Steel |
Q195
Q215 Q235 08 10 20 SPHC SPHD SPHE |
SS330
SS340 SS400 S08C S10C S20C SPHC SPHD SPHE |
A283Gr.C
A283Gr.D A36 1020 1006 1008 1010 |
| Premium Carbon Steel |
35
45 50 55 60 65Mn T8 T10 |
S35C
S45C S50C S55C S58C SUP6 SK5 SK3 |
1035
1045 1050 1055 1060 1566 W108 W1-9 |
| Low Alloy Steel |
Q345(16Mn)
Q390(15MnV) Q420(15MnVN) 18MnMoNbR 14CrMnMoVB 12CrMoV 15CrMo 30CrMnSiA |
SM490A
SM520B SM570 SCM435 SNB5 STBA24 STBA22 SCM440 |
A572Gr.50
A588Gr.A A514Gr.B 4130 4140A387 Gr.11A387 Gr.12 4340 |
| Structure Steel |
Q235
Q345 Q390 Q420 20Mn 45 60 09Mn2 15MnV |
SS400
SM490A SM520B SM570 SM490B S45C S58C SPV355 SPV450 |
A36
A572Gr.50 A588Gr.A A514Gr.B A572Gr.55 1045 1060 A537Gr.B A517Gr.F |
| Chain Steel |
20Mn2
20CrMnTi 35CrMo 40Cr 45Mn2 50CrV 55SiMn 60Si2Mn |
SCM420
SCM415 SCM435 SCr440 SMn443 SUP10 SUP6 SUP7 |
4120
4118 4130 5140 1541 6150 9255 9260 |
| Cutting Tool Steel |
T8
T10 9SiCr Cr12 Cr12MoV W18Cr4V W6Mo5Cr4V2 6W6Mo5Cr4V |
SK5
SK3 SKS3 SKD1 SKD11 SKH2 SKH51 SKH52 |
W108
W1-9 L6 D3 D2 T1 M2 M3 |
| Welded Cylinder Steel |
37Mn
30Mn2 4130H |
SMn438
SMn443 SCM435 |
1536
1330 4130 |
| Weather Assist Steel |
Q235NH
Q295GNHL Q345GNHL Q355NH Q415NH Q460NH |
SMA400AW
SMA400AP SMA400BW SMA400BP SMA490AW SMA490AP |
A588Gr.A
A871Gr.65 A588Gr.B A871Gr.70 A871Gr.80 |
| Automotive Structure Steel |
DC01
DC03 DC04 DC05 DC06 HC220Y HC260Y HC300LAD |
SPCC
SPCD SPCE SPCF SPCG SAPH310 SAPH370 SAPH440 |
1008
1010 1012 1015 1017 1020 1022 1025 |
| Pipeline Steel |
L245
L290 L320 L360 L390 L415 L450 L485 L555 |
S245
S290 S320 S360 S390 S415 S450 S485 S555 |
API5LGr.B
API5LX42 API5LX46 API5LX52 API5LX56 API5LX60 API5LX65 API5LX70 API5LX80 |
| Pressure Vessel Steel |
Q245R
Q345R 16MnDR 15CrMoR 09MnNiDR 07MnMoVR |
SB410
SB450 SLA325 SCMV4 SL2N255 SQV2A |
SA516Gr.55
SA516Gr.60 SA537Cl.1 SA387Gr.11Cl.2 SA203Gr.D SA533Gr.BCl.1 |