B440QK - Q/BQB 310-2014

Grade	B440QK
Corresponding Standard	Q/BQB 310-2014 Continuously hot-rolled steel sheet and strip for automobile structural use
Brand/Supplier	-> BAOSTEEL
Classification	Carbon Steel

B440QK Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Al
Minimum Value	-	-	-	-	-	-	-	-	0.01
Maximum Value	0.21	0.35	1.8	0.03	0.025	0.15	0.15	0.2	-

B440QK Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥440	≥295	≥34

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