Hot rolled structural steel (sheet/strip)

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Description

Hot Rolled Steel Sheet and Strip Used for Structure generally have the characteristics of higher strength, better formability, reliable performance, and excellent welding performance. And, it can bear external loads after making simple processing and is widely used in various industries.

Based on its use and applications, structural steel can be divided into hot-rolled normal structural steel, welding structural steel, building structural steel, machinery structural steel, pipe steel, hot-rolled wearing steel, etc.

  • Steel Grade Available and uses for Hot-rolled normal structural steel
    • SS330, SS400, SS490,SS540, S185/ST33, S235JR/ST37-2, S235J0/ST37-3, S235J2, S275JR/ST44-2,  S275J0, S275J2, S355JR, S355J0/ST52-3, S355J2, S355K2, E295/ST50-2
    • Widely used in building, bridge, ship, and automobile

 The comparison list of steel grade and corresponding grades (1)

Q/BQB 303-2009JIS G3101:2004GB912-89/GB3274-88GB710-91/GB711-88
SS330SS330Q195/Q215A/15Q195/Q215A/15
SS400SS400Q235A/Q255AQ235A/Q255A
SS490SS490Q275AQ275A
SS540SS540

The comparison list of steel grade and corresponding grades (2)

Q/BQB 303-2009DIN17100-80EN10025:1990EN10025-2:2004GB 912-2008/GB 3274-2007
S185(St33)St33Fe310-0S185Q195/Q215A
S235JR(St37-2)St37-2/RSt37-2Fe360BS235JRQ235B
S235J0(ST37-3)St37-3Fe360CS235J0Q235C
S235J2Fe360DS235J2Q235D
S275JR(St44-2)St44-2Fe430BS275JRQ255B
S275J0St44-3Fe430CS275J0Q255C
S275J2Fe430DS275J2Q255D
E295(St50-2)St50-2Fe490-2E295Q345A
S355JRFe510BS355JRQ345B
S355J0(St52-3)St52-3Fe510CS355J0Q345C
S355J2Fe510DS355J2Q345D
S355K2Fe510DDS355K2Q345E
  • Steel Grade Available and uses for Hot-rolled welding structural steel
    • SM400A, SM400B, SM490A, SM570, SM400C, SM490B, SM490C, SM490YA, SM490YB, SM520B, SM520C, BSM590, StE255, StE285, StE355
    • Used in construction, bridges, ships, vehicles, petroleum storage tanks, engineering machinery, and other structural parts that require excellent comprehensive mechanical properties and welding performance.

The comparison list of steel grade and corresponding grades (3)

Q/BQB 303-2009JIS G3106: 2004GB912-2008/GB3274-2007
SM400ASM400AQ235A,Q235B
SM400BSM400BQ235C
SM400CSM400CQ235D
SM490ASM490AQ345A,Q345B
SM490BSM490BQ345C
SM490CSM490CQ345D
SM490YASM490YAQ390B
SM490YBSM490YBQ390C
SM520BSM520BQ420A,Q420B
SM520CSM520CQ420C
SM570,BSM590SM570Q460C,Q460D
B590GJA,B590GJBQ460C,Q460D

The comparison list of steel grade and corresponding grades (4)

Q/BQB 303-2009DIN17102-80EU113-72EN10113-2: 1993EN10025-3: 2004GB912-2008 GB3274-2007
StE255StE255FeE255KGNQ235C/Q235D
StE285StE285FeE275KTNS275NS275NQ275C/Q275D
StE355StE355FeE355KGNS355NS355NQ345C/Q345D
  • Steel Grade Available and uses for Hot-rolled machinery structural steel
    • C22, C35, S20C, S35C, S45C
    • Mechanical structural steel generally obtains the desired properties through a heat treatment process after cutting and forming. Usually it is used to process high-strength mechanical structural parts.
  • Steel Grade Available and uses  for Hot-rolled steel for pipes and tubes (pipe steel)
    • SPHT1、SPHT2、SPHT3、SPHT4
    • SPHT series welded pipe steel is a product produced in accordance with the Japanese standard JIS G3132, which is used to manufacture welded pipes of different diameters. This product has the advantages of high elongation and good bending performance and is well received by users.
  • Steel Grade Available and uses  for Hot-rolled wearing steel
    • B520JJ, B590GJA, B590GJB, B750GJ
    • Hot-rolled high wear-resistant steel is a steel product specially developed by Baosteel for cement trucks and mining machinery. This series of products have good forming properties and can be easily cold-bended. The lower carbon equivalent can ensure the quality of welding. At the same time, high strength and hardness can withstand long-term wear. Because of its excellent comprehensive performance, this product is widely used in the industry.

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