B480GNQR - Q/BQB 340-2018

Grade	B480GNQR
Corresponding Standard	Q/BQB 340-2018 Continuously Hot-Rolled Corrosion Resisting Steel Sheet and Strip for Structural Use
Classification	Alloy Steel

B480GNQR Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	-	0.25	-	0.07	-	0.3	-	0.25
Maximum Value	0.12	0.75	1	0.15	0.02	1.25	0.65	0.55

B480GNQR Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Plate, strip; t≤6	Hot Rolling	≥480	≥350	≥22	-10°C (Test Temperature) ≥27
Plate, Strip; t>6	Hot Rolling	≥480	≥350	≥22	-10°C (Test Temperature) ≥27

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