Q275AF U12750 Q275 - GB /T 3274-2017

Grade	Q275AF
China ISC	U12750
Other Names
Corresponding Standard	GB /T 3274-2017 Hot-Rolled Plates, Sheets and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Sheets
Classification	Carbon Steel
Properties	Good Weldability

Q275AF Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	As	N
Minimum Value	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.24	0.35	1.5	0.045	0.05	0.3	0.3	0.3	0.08	0.008

Q275AF Mechanical Properties

thickness(diameter) t(d) mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≤16	410~540	≥275	≥22
＞16～40	410~540	≥265	≥22
＞40～60	410~540	≥255	≥21
＞60～100	410~540	≥245	≥20
＞100～150	410~540	≥225	≥18
＞150～200	410~540	≥215	≥17

Q275AF Corresponding Standards(Same grade name, different standards)

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