С440 S440 - GOST 27772-2015

Grade	С440
Other Names
Corresponding Standard	GOST 27772-2015 Rolled Metal For Steel Building Structures
Classification	Alloy Steel

С440 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	V	Nb	Al	More
Minimum Value	-	0.15	1.3	-	-	-	-	-	0.01	-	-	0.02	V+Nb≤0.12
Maximum Value	0.12	0.5	1.7	0.017	0.01	0.3	0.3	0.3	0.035	0.09	0.09	0.06	V+Nb≤0.12

С440 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
8≤t≤50	≥540	≥440	≥20	-40°C、-60°C: KCV≥66J/cm2

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