Q460MD - GB /T 1591-2018 - H2ABC

中文版

Grade	Q460MD
Corresponding Standard	GB /T 1591-2018 High strength low alloy structural steels
Classification	Alloy Steel

Q460MD 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	0.16	0.6	1.7	0.03	0.025	0.3	0.8	0.4	0.2	0.025	0.05	0.12	0.05	-

Q460MD 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	540~720	ReH: ≥460	≥17
16＜d≤40		540~720	ReH: ≥440	≥17
40＜d≤63		530~710	ReH: ≥430	≥17
63＜d≤80		510~690	ReH: ≥410	≥17
80＜d≤100		500~680	ReH: ≥400	≥17
100＜d≤120		490~660	ReH: ≥385	≥17
Standard impact test specimen					long. ≥55 tr. ≥31
Standard impact test specimen					long. ≥47 tr. ≥27
Standard impact test specimen					long. ≥40 tr. ≥20
Standard impact test specimen					long. ≥27*

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