Q420FTC - GB /T 28410-2012

Grade	Q420FTC
Corresponding Standard	GB /T 28410-2012 Structural steel plate for wind power tower
Classification	Alloy Steel

Q420FTC Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Al
Minimum Value	-	-	1	-	-	-	-	-	-	-	-	-	-	0.015
Maximum Value	0.2	0.5	1.7	0.025	0.015	0.3	0.5	0.3	0.2	0.012	0.05	0.15	0.06	-

Q420FTC 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
t≤16	520~680	≥420	≥19	≥47
16＜t≤40	520~680	≥400	≥19	≥47
40＜t≤100	520~680	≥390	≥19	≥47

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