QSTE380TM automobile structural steel is a cold-formed hot rolled pickling automobile structural steel.
QSTE380TM automobile structural steel chemical composition (melting analysis) %
C: ≤0.12
Si: ≤0.35
Mn: ≤1.40
P: ≤0.03
S: ≤0.025
Alt: ≥0.01
QSTE380TM automobile structural steel mechanical properties (tensile, bending, transverse specimen)
Mpa)
Yield: ≥380
Tensile: 450-590
Extension: ≥23
Range of use of QSTE380TM automobile structural steel: This brand series is fine grain steel with good cold forming property. Used for automobile structural parts such as girder and beam which require good cold forming performance and have high or high strength requirements.
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