B240ZK - Q/BQB 410-2019

Grade	B240ZK
Corresponding Standard	Q/BQB 410-2019 Cold-rolled Carbon Structural Steel Sheet and Strip
Classification	Carbon Steel

B240ZK Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al
Minimum Value	-	-	-	-	-	0.015
Maximum Value	0.15	0.4	1.5	0.03	0.025	-

B240ZK Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
All thicknesses	≥390	240~360
0.6～<0.8			≥30
0.8～<1			≥31
1～<1.2			≥32
1.2～<1.6			≥33
≥1.6			≥34

Approximate Comparison Table Carbon Structural Steel and Engineering Steel

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