Q390ME - GB /T 1591-2018 - H2ABC

中文版

Grade	Q390ME
Corresponding Standard	GB /T 1591-2018 High Strength Low Alloy Structural Steels
Classification	Alloy Steel

Q390ME Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Al
Minimum Value	-	-	-	-	-	-	-	-	-	-	0.006	0.01	0.01	0.015
Maximum Value	0.15	0.5	1.7	0.025	0.02	0.3	0.5	0.4	0.1	0.015	0.05	0.12	0.05	-

Q390ME Mechanical Properties

thickness or diameter d 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
d≤16	Room Temperature	490~650	ReH: ≥390	≥20
16＜d≤40		490~650	ReH: ≥380	≥20
40＜d≤63		480~640	ReH: ≥360	≥20
63＜d≤80		470~630	ReH: ≥340	≥20
80＜d≤100		460~620	ReH: ≥340	≥20
100＜d≤120		450~610	ReH: ≥335	≥20
Standard impact test specimen					long. ≥63 tr. ≥40
Standard impact test specimen					long. ≥55 tr. ≥34
Standard impact test specimen					long. ≥47 tr. ≥27
Standard impact test specimen					long. ≥31 tr. ≥20
Standard impact test specimen					long. ≥27* tr. ≥16*

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