QStE420TM - Q/BQB 310-2014

Grade	QStE420TM
Corresponding Standard	Q/BQB 310-2014 Continuously Hot-Rolled Steel Sheet and Strip for Automobile Structural Use
Brand/Supplier	-> BAOSTEEL
Classification	Alloy Steel

QStE420TM Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	V	Nb	Al	More
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	0.015	Nb+V+Ti≤0.22
Maximum Value	0.12	0.5	1.5	0.03	0.025	0.15	0.15	0.2	0.15	0.2	0.09	-	Nb+V+Ti≤0.22

QStE420TM Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t＜3	480~620	≥420	* ≥16
t≥3	480~620	≥420	** ≥21

QStE420TM Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!