BST700X - Q/BQB 310-2023

Grade	BST700X
Corresponding Standard	Q/BQB 310-2023 Continuously Hot-Rolled Steel Sheet and Strip for Automobile Structural Use
Classification	Alloy Steel

BST700X 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	1.8	0.025	0.015	0.15	0.15	0.2	0.22	0.2	0.09	-	Nb+V+Ti≤0.22ⓐ

BST700X Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Steel Plate and Steel Strip	≥700	ReH: ≥620	L0=5.65√S0 ≥14

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