S345 - ISO 6930-2019

Grade	S345
Corresponding Standard	ISO 6930-2019 High Yield Strength Steel Plates and Wide Flats for Cold Forming
Classification	Alloy Steel

S345 Chemical Element Composition Content (%)

Component	C ^①	Si	Mn ^①	P	S	Ti ^②③	V ^②③	Nb ^②③	More
Minimum Value	-	-	-	-	-	-	-	-	Nb+V+Ti≤0.22
Maximum Value	0.18	0.6	1.65	0.025	0.03	0.15	0.15	0.1	Nb+V+Ti≤0.22

S345 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥415	≥345	≥27

S345 Corresponding Standards(Same grade name, different standards)

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