Name |
Grade |
Specifications(mm) |
Standard |
Thickness |
Width |
Length |
Carbon structural steel
|
Q195、Q215、Q235、
Q255、Q275 |
6~50 |
1500~2400 |
4000~13000 |
GB/T3274 |
SS330、SS400 |
JISG3101 |
Low alloy structural steel |
Q295、Q345、Q390、Q420 |
GB/T3274 |
Welded structural steel |
SM490 |
6~45 |
1500~2400 |
4000~13000 |
JISG3106 |
Super carbon structural steel |
10、15、20、25、30、35、40、45、50、
20Mn、25Mn、30Mn、40Mn、50Mn |
6~50 |
1500~2400 |
4000~13000 |
GB/T711 |
Low carbon aluminum steel |
08Al、SPCC、SPHC |
Negotiable |
Tool steel |
65Mn、70Mn |
6~25 |
1500~2400 |
6000~12000 |
GB/T711 |
Hull steel |
CCS A、CCS B、CCS D,
NVA、NVB、NVD,
GL-A、
GL-B、GL-D,
LRA、LRB、LRD
AB/A、AB/B、
AB/D
BVA、
BVB、BVD
RA、RB、RD
KA、
KB、KD
ZYA、ZYB、ZYD |
6~30 |
1500~2400 |
4000~13000 |
GB/T712 or relevant international standards
|
Vessel steel |
20R、16MnR、15CrMoR |
6~45 |
1500~2400 |
4000~13000 |
GB 6654 |
Boiler steed |
20g、16Mng、22 Mng、15CrMog |
GB 713 |
Bridge steel |
Q235q、Q345q、Q370q、Q420q |
GB/T 714 |
Automobile chassis steel |
16MnL、16MnNbL |
6~18 |
1500~2400 |
4000~13000 |
GB/T 3273-89 |
QSTE380TM、QSTE420TM |
Negotiable |
Automobile rim steel |
CL235、CL345 |
6~16 |
1500~2400 |
4000~12000 |
Negotiable |
Mould steel |
35#、45#、SM45、SM48、SM50、SM55、SM3Cr2Mo(P20) |
6~50 |
1500~2400 |
4000~13000 |
YB/T107
or Negotiable |
Super weathering structural steel |
Q295GNH(L)、Q345GNH(L)、Q390GNH |
6~45 |
1500~2400 |
4000~13000 |
GB/T4171 |
Welded weathering structural steel |
Q235NH、Q295NH、Q355NH |
GB/T4172
or Negotiable |
Fire-resistant steel |
Q235FR、Q345FR |
Negotiable |
Abrasive steel |
1E921 |
6~40 |
1500~2400 |
4000~13000 |
Negotiable |
Alloy structural steel |
45Mn2、27SiMn、15Cr20Cr、30Cr、40Cr |
6~45 |
1500~2400 |
4000~12000 |
GB11251 |
Ship boiler and vessel steel |
360AR、410FG |
6~30 |
1500~2400 |
4000~13000 |
LR’S rule(2005)
Or works standard
|
Name |
Grade |
Standard |
Carbon structural steel |
Q195、Q215、Q235、Q255、Q275 |
GB700 |
Low alloy rigid structural steel |
Q295、Q345、Q390、Q420、Q460、 |
GB1591 |
Super carbon structural steel |
08、10、15、20、25、30、35、40、45、50、55、60、65、70、20Mn、30Mn、40Mn、50Mn、60Mn、65Mn |
GB711 |
Alloy structural steel |
45Mn2、27SiMn、40MnB、15Cr、20Cr、30Cr、35Cr、40 Cr、12CrMo、15CrMo、12Cr1MoV、20CrMnSi |
GB3077 or Negotiable
|
Mould steel |
SM45、SM48、SM50、SM53、SM55、SM3Cr2Mo(P20) |
YB/T 107 |
Weathering steel |
Super weathering structural steel |
Q295GNH(L)、Q345GNH(L)、Q390GNH |
GB/T4171 |
Welded weathering structural steel |
Q235NH、Q295NH、Q355NH、Q460NH |
GB/T4172 or Negotiable |
Special steel
|
Hull steel |
CCS A、CCS B、CCS D,
NVA、NVB、NVD,
GL-A、GL-B、GL-D,
LRA、LRB、LRD
AB/A、AB/B、AB/D、BVA、BVB、BVD
RA、RB、RD、KA、KB、KD、ZYA、ZYB、ZYD |
GB/T712
or relevant international standards |
Bridge Steel |
Q235qC、 Q235qD、 Q345qC、Q345q、 Q345qE、 Q370qC、 Q370qD、Q420qC、 Q420qD |
GB/T 714 |
Boiler steel |
20g、16Mng、19Mng、22 Mng、 15CrMog、12Cr1MoVg |
GB 713 |
Pressure vessel steel |
20R、16MnR、15MnVR、18MnMoNbR、15CrMoR |
GB 6654
or Negotiable |
Ship boiler and vessel steel |
360AR、410FG |
LR’S rule(2005) or works standard |
Automobile steel |
08Al、16MnL、16MnNbL、For auto rim and bridge-over |
GB/T3273 or Negotiable |
Petroleum & gas piping steel
|
X42~X80 |
User's requirements or negotiation |
Bicycle steel |
ZQ195、ZQ215、ZQ235、Z09Al、Z09Mn、 Z13Mn、 Z17Mn |
YB/T5065 YB/T5066 |
Gas cylinder steel |
HP245、HP295、HP325、HP345、HP365 |
GB6653 |
Tool steel |
65Mn、70Mn、DJ100、75Cr1、8CrV |
GB/T711 or Negotiable |
Low carbon aluminum steel |
SPHC、SPCC、SAE1006、SAE1008 |
Relevant international stanard |
Super low carbon alloy steel |
HQ500DB、HQ550DB、HQ620DB(treated by VOD) |
Negotiable or user's requirements |
Miscellanies |
Grades required by buyers according to the negotiation or international standards. |
|