Q255B - GB /T 3524-1992

Grade	Q255B
Corresponding Standard	GB /T 3524-1992 Hot-Rolled Cardon and Low Alloy Structural Steel Strips
Classification	Carbon Steel

Q255B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.18	-	0.4	-	-
Maximum Value	0.28	0.3	0.7	0.045	0.045

Q255B Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
410~550	≥255	≥24

Q255B Corresponding Standards(Same grade name, different standards)

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