B520JJ - Q/BQB 303-2018

Grade	B520JJ
Corresponding Standard	Q/BQB 303-2018 Continuously Hot-Rolled Steel Sheet and Strip for General Structure
Classification	Carbon Steel

B520JJ Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu
Minimum Value	-	-	-	-	-	0.2
Maximum Value	0.2	0.55	1.6	0.025	0.02	0.45

B520JJ Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥520	≥365	≥20

B520JJ 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"!