What is the material of QSTE380TM steel?

QSTE380TM steel is a kind of cold formed hot rolled pickling automobile structural steel.
QSTE380TM steel chemical composition (melting analysis)%
C : ≤0.12
Si : ≤0.35
Mn : ≤1.40
P : ≤0.03
S : ≤0.025
Alt: ≥0.01

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

Scope of QSTE380TM steel application: this brand series is fine grain steel with good cold formability. QSTE380TM steel is used for the automobile structure parts such as the automobile girder and crossbeam with good cold forming performance and high or high strength requirements.