Automobile structure steel plate

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Automobile structure steel plate

Automobile structure steel plate

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Automobile structure steel plate Despriction

Our Automobile steel plate main steel grade: BS EN10268, H 240LA, H 280LA, H 320LA, H 360LA, H 400LA JIS G3113 SAPH310, SAPH370, SAPH400, SAPH440.

SEW092 QStE340TM steel coils and sheets are delivered in hot rolled or control rolled state. The surface treatment methods of QStE340TM steel coils and sheets can be rolling surface and pickling surface. QStE340TM steel coils and sheets with pickling surface can be delivered with or without oil. QStE340TM steel coils and sheets are used to make the automobile girder and other structural parts that have requirements for good cold forming performance and high strength.

EN 10149-2 S420MC hot rolled steel coil plate is high strength high quality alloy steel for cold forming. Usually, the min. thickness of S420MC hot rolled steel coil plate can be made to 1.5mm, and the max. thickness of S420MC hot rolled steel coil plate can be made to 20mm. The steel number of S420MC steel is 1.0980.

EN 10149-2 S500MC automotive steel coil and plate is thermomechanically rolled high strength steel for cold forming. The steel number of S500MC automotive steel is 1.0984. According to standard EN 10149-2, the thickness range is 1.5mm-16mm for steels which have a specified minimum yield strength of 500 Mpa uo to and including 700 Mpa. The minimum yield strength of S500MC automotive steel coil and plate is 500 Mpa.

JIS G3113 SAPH310 steel plate is hot rolled steel with improved formability. SAPH310 steel is usually in forms of SAPH310 steel plate, SAPH310 steel sheet and SAPH310 steel strip / coil. The SAPH310 steel is mainly for automobiles, electric equipment, construction materials and so on application. The thickness range of SAPH310 steel plate is from 1.6mm to 14mm.

JIS G3113 SAPH370 automobile steel plate is hot rolled steel with min. tensile strength of 370 Mpa. SAPH370 automobile steel plate has high strength and good cold forming performance. Its thickness is between 1.6mm and 14mm. Therefore, it is also called SAPH370 automobile steel sheet at most time. SAPH370 steel is always in form of SAPH370 automobile steel strip and SAPH370 automobile steel coil.

JIS G3113 SAPH400 steel plate is automobile steel, and mainly for automobile structural uses. The SAPH400 steel plate thickness range is from 1.6mm to 14mm. JIS G3113 SAPH400 steel plate is always asked to be pickled, the pickled SAPH400 is also known as SAPH400-P. The SAPH400 pickling plate is made of high-quality hot-rolled sheet as the raw material. After the oxide layer is removed by the pickling unit, trimming, and finishing, the surface quality and use requirements (mainly cold bending forming or stamping performance) are between hot-rolled plate and cold-rolled plate.

Common Grades of Automobile Structure Steel

JIS G3113 SAPH310 SAPH370 SAPH400 SAPH440
EN 10149-2 S315MC S355MC S420MC S460MC
S500MC S550MC S600MC S650MC
S700MC      
Q-BQB 310-2009 SAPH310 SAPH370 SAPH400 SAPH440
SPFH540 SPFH590 QStE340TM QStE380TM
QStE420TM QStE460TM QStE500TM B330CL
B380CL B420CL B320L B420L
B510L B510DL B550L B440QZR
SEW092 QStE260N QStE340TM QStE340N QStE380TM
DIN 17102 StE255 WStE255 TStE255 EStE255

JIS G3113 Automobile structure steel plate mechanical properties

Grade Rm ReH c(MPa) Elongation
L0=50mm,b=25mm(%)
Nominal Thickness(mm)
  <6.0 6.0≤t<8.0 ≥8.0 1.6~<2.0 2.0~<2.5 2.5~<3.15 3.15~<4.0 4.0~<6.3 ≥6.3
SAPH310 ≥310 ≥185 ≥185 ≥175 33 34 36 38 40 41
SAPH370 ≥370 ≥225 ≥225 ≥215 32 33 35 36 37 25
SAPH400 ≥400 ≥255 ≥235 ≥235 ≥31 ≥32 ≥34 ≥35 ≥36 ≥37
SAPH440 ≥440 ≥305 ≥295 ≥275 ≥29 ≥30 ≥32 ≥33 ≥34 ≥35

Automobile structure steel plate Application

Automobile structure steel plate is a Japanese material standard for hot rolled steel plates, sheets, strips for automobile structural usage. JIS G3113 SAPH310, SAPH370, SAPH400, SAPH440 steel plates are widely used for forming performance of the automobile frame, wheels and other automobile components. JIS G3113 automobile structure steel plate also can be used for cold-formed parts, for example main frame and other structure parts of automobile.

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