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Hot-rolled automobile structural steel
  • Introduction
  • Classification and code
  • Similar grades
  • For specification
Automobile structure has a high strength even rolling hot, good formability and weldability, high dimensional accuracy and surface quality, in the automobile and parts manufacturers are widely used, the production of various types of automotive structural components, such as car... 

Steel grades and Application


Application

Feature

Grades

Automobile structure
(named according to JIs)

Suitable for the automobile structure parts that require good formability, such as frame or wheels.

SAPH310 SAPH370
SAPH400 SAPH440

High strength
automobile structure
(named according to JIs)

Suitable for the automobile structure parts that require some formability and high strength, such as strong frame or wheels.

SPFH540. SPFH590

High strength
automobile structure
(named according to DIN)

Suitable for the structure parts that require high strength and good cold formability, such as truck beams.

QStE340TM QStE380TM
QStE420TM QStE460TM. QSIE500TM

Wheel steel

With good cold forming properties, suitable for wheel rims and disks.

B330CL B380CL B420CL

Boam steel

Suitable for vehicle beams and cross members.

B320LB420LB510L
B510DL B550L

Drive shaft steel

Suitable for the automobile drive shafts.

B440QZRB480QZR

Axle housings steel

Suitable for the automobile axle housings.

B440QK