QSTE380TM automobile steel chemical composition and properties

QSTE380TM automobile steel is a kind of cold forming hot rolling pickling automobile structural steel.

Chemical composition (melting analysis) of QSTE380TM automobile steel
C : ≤0.12
Si : ≤0.35
Mn : ≤1.40
P : ≤0.03
S : ≤0.025
Alt: ≥0.01

Sample test of QSTE380TM automobile steel (tensile, bending, transverse; MPa)
Yield: ≥380
Tensile strength: 450-590
Extension: ≥23

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