С345К S345K - GOST 27772-2015

Grade	С345К
Other Names
Corresponding Standard	GOST 27772-2015 Rolled Metal for Steel Building Structures
Classification	Alloy Steel

С345К Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	Al
Minimum Value	-	0.17	-	0.02	-	0.5	0.3	0.3	-	0.08
Maximum Value	0.12	0.37	0.6	0.12	0.025	0.8	0.6	0.5	0.035	0.15

С345К 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
4≤t≤10	≥470	≥345	≥20	-40°C: KCU≥39J/cm2

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