Q500D L05004 - GB /T 1591-2008

Grade	Q500D
China ISC	L05004
Corresponding Standard	GB /T 1591-2008 High Strength Low Alloy Structural Steels
Classification	Alloy Steel
Properties	High Strength

Q500D Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	B	Al ^b
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.015
Maximum Value	0.18	0.6	1.8	0.03	0.025	0.6	0.8	0.55	0.2	0.015	0.2	0.12	0.11	0.004	-

Q500D Mechanical Properties

thickness（diameter，length of side） t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤16	610~770	≥500	≥17
16<t≤40	610~770	≥480	≥17
40＜t≤63	600~760	≥470	≥17
63＜t≤80	590~750	≥450	≥17
80＜t≤100	540~730	≥440	≥17

New and Old Grade Replacement List

1 Approximate Comparison Table High strength structural steel plates in the quenched and tempered condition

2 Approximate Comparison Table High strength structural steel plates in the quenched and tempered condition

China	International Organization for Standardization
GB	ISO
Q500QD GB/T 34560.4-2017 Q500D GB/T 16270-2009	S500QD ISO 630-4-2012

Q500D Corresponding Standards(Same grade name, different standards)

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