- Introduction
- Classification and code
- Similar grades
- For specification
Structural steel generally have high strength and good formability, usually through a simple process to withstand external loads. , Structural steel products with reliable performance, good formability, excellent welding performance characteristics of its products are mainly referring ...
Standard No. |
Q/BQB |
DIN1614-2-86 |
EN111-77 |
EN10111-2008 |
JIS G3131-2005 |
GB/T710-2008 |
Grades |
DD11 SPHC |
StW22 |
Fep11 |
DD11 |
SPHC |
08 |
DD12 SPHD |
RRStW23 |
Fep12 |
DD12 |
SPHD |
08 |
|
DD13 SPHE |
StW24 |
Fep13 |
DD13 |
SPHE |
08 |
|
DD14 SPHF |
- |
- |
DD14 |
SPHF |
- |
|
BRC1、BRC2、BRC3 |
- |
- |
DD14 |
SPHF |
- |
Structural steel Welding structural steel Structural steel
Q/BQB 303-2009 |
JIS G3101:2004 |
GB912-89/GB3274-88 |
SS330 |
SS330 |
Q195,Q215A,15 |
SS400 |
SS400 |
Q235A,Q255A |
SS490 |
SS490 |
Q275A |
SS540 |
SS540 |
- |
Q/BQB 303-2009 |
DIN17100-80 |
EN10025:1990 |
EN10025-2:2004 |
GB 912-2008/GB 3274-2007 |
S185(St33) |
St33 |
Fe310-0 |
S185 |
Q195、Q215A |
S235JR(St37-2) |
St37-2,RSt37-2 |
Fe360B |
S235JR |
Q235B |
S235J0(ST37-3) |
St37-3 |
Fe360C |
S235J0 |
Q235C |
S235J2 |
- |
Fe360D |
S235J2 |
Q235D |
S275JR(St44-2) |
St44-2 |
Fe430B |
S275JR |
Q255B |
S275J0 |
St44-3 |
Fe430C |
S275J0 |
Q255C |
S275J2 |
- |
Fe430D |
S275J2 |
Q255D |
E295(St50-2) |
St50-2 |
Fe490-2 |
E295 |
Q345A |
S355JR |
- |
Fe510B |
S355JR |
Q345B |
S355J0(St52-3) |
St52-3 |
Fe510C |
S355J0 |
Q345C |
S355J2 |
- |
Fe510D |
S355J2 |
Q345D |
S355K2 |
- |
Fe510DD |
S355K2 |
Q345E |
Q/BQB 303-2009 |
JIS G3106:2004 |
GB912-2008/GB3274-2007 |
SM400A |
SM400A |
Q235A.Q235B |
SM400B |
SM400B |
Q235C |
SM400C |
SM400C |
Q235D |
SM490A |
SM490A |
Q345A.Q345B |
SM490B |
SM490B |
Q345C |
SM490C |
SM490C |
Q345D |
SM490YA |
SM490YA |
Q390B |
SM490YB |
SM490YB |
Q390C |
SM520B |
SM520B |
Q420A.Q420B |
SM520C |
SM520C |
Q420C |
SM570 BSM590 |
SM570 |
Q460C.Q460D |
B590GJA,B590GJB |
- |
Q460C.Q460D |
Q/BQB 303-2009 |
DIN1702-80 |
EU113-72 |
EN10113-2:1993 |
EN10025-3:2004 |
GB 912-2008 |
StE255 |
StE255 |
FeE255KGN |
- |
- |
Q235C、Q235D |
StE285 |
TStE285 |
FeE275KTN |
S275N |
S275N |
Q275C、Q275D |
StE355 |
StE355 |
FeE355KGN |
S355N |
S355N |
Q345C、Q345D |