Q355NC - GB /T 1591-2018 - H2ABC

中文版

Grade	Q355NC
Corresponding Standard	GB /T 1591-2018 High Strength Low Alloy Structural Steels
Classification	Alloy Steel

Q355NC Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^②	S ^②	Cr	Ni	Cu	Mo	N	Ti ^③	V	Nb	Al ^④
Minimum Value	-	-	0.9	-	-	-	-	-	-	-	0.006	0.01	0.005	0.015
Maximum Value	0.2	0.5	1.65	0.03	0.03	0.3	0.5	0.4	0.1	0.015	0.05	0.12	0.05	-

Q355NC Mechanical Properties

thickness or diameter t mm	Test Temperature	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤16	room temperature	470~630	ReH: ≥355	≥22
16<t≤40		470~630	ReH: ≥345	≥22
40<t≤63		470~630	ReH: ≥335	≥22
63<t≤80		470~630	ReH: ≥325	≥21
80<t≤100		470~630	ReH: ≥315	≥21
100<t≤150		450~600	ReH: ≥295	≥21
150<t≤200		450~600	ReH: ≥285	≥21
200<t≤250		450~600	ReH: ≥275	≥21
specimen	0°C				long. ≥34 tr. ≥27

New and Old Grade Replacement List

Corresponding Standard	Grade
GB /T 1591-1994	Grade
GB /T 1591-2008	Grade China ISC
GB /T 1591-2018	Grade

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