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Hot-rolled structural steel
  • 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
301-2009

DIN1614-2-86

EN111-77

EN10111-2008
(E)

JIS G3131-2005

GB/T710-2008
GB/T711-2008

 

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

-

BRC1BRC2BRC3

-

-

DD14

SPHF

-


Structural steel Welding structural steel Structural steel

Q/BQB 303-2009

JIS G3101:2004

GB912-89/GB3274-88
GB710-91/GB711-88

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

Q195Q215A

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

Welding structural steel

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
GB 3274-2007

StE255

StE255

FeE255KGN

-

-

Q235CQ235D

StE285

TStE285

FeE275KTN

S275N

S275N

Q275CQ275D

StE355

StE355

FeE355KGN

S355N

S355N

Q345CQ345D

Upon the Technical agreement