Grade: QSTE420TM
Production area: BBNsteel
Executive standard: Q/BQB 310 (Reference standard: SEW 092; DIN 17102; EN10025)
Category: Cold-formed hot-rolled automotive structural steel
Chemical composition (melting analysis)%C: ≤0.12
Si: ≤0.35
Mn: ≤1.50
P: ≤0.03
S: ≤0.025
Ti: ≤0.22
Nb: ≤0.09
Ait: ≥0.01
Specimen test (tension, bending, the specimen is in the transverse direction; Mpa).
Yield strength MPa: ≥420 Tensile strength MPa: 480-620 Extension: ≥21
Range of application: Q/BQB 310 QSTE420TM material is a fine-grained steel with good cold formability. QSTE420TM hot-rolled automotive structural steel coil is used for automobile structural parts such as automobile beams and beams that require good cold forming properties and have higher or high strength requirements.
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