EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1

Description: S620 steel plate is quenched and tempered high-strength steel plate according to European standard EN 10025-6. S620 series steel grades are S620Q, S620QL, S620Q...

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EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 Description

S620 steel plate is quenched and tempered high-strength steel plate according to European standard EN 10025-6. S620 series steel grades are S620Q, S620QL, S620QL1. EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 are mainly used to manufacture low-temperature resistant, high-strength key components, construction machinery, mining machinery structures, etc.

EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 chemical composition of heat analysis:

Grade	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
S620Q	0.20	0.80	1.70	0.025	0.015	0.015	0.005	1.50	0.50	0.70	0.06	4.0	0.05	0.12	0.15
S620QL, S620QL1				0.020	0.010

EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 chemical composition of product analysis:

Grade	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
S620Q	0.22	0.86	1.8	0.03	0.017	0.016	0.006	1.6	0.55	0.74	0.07	4.1	0.07	0.14	0.17
S620QL, S620QL1				0.025	0.012

EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 mechanical properties - tensile test properties at room temperature:

EN 10025-6	Steel number	Min. Yield Strength (MPa)				Tensile Strength (MPa)				Min. Elongation
		≥3 ≤50	>50 ≤100	>100 ≤125	>125 ≤200	≥3 ≤50	>50 ≤100	>100 ≤125	>125 ≤200
S620Q	1.8914	620	580	560		700 to 890		650 to 830		15
S620QL	1.8927
S620QL1	1.8987

EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 mechanical properties - impact energy on test pieces:

EN 10025-6	Min. impact energy (J) at test temperature (℃)
Grade	0		-20		-40		-60
Grade	Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse
S620Q	40	30	30	27	-	-	-	-
S620QL	50	35	40	30	30	27	-	-
S620QL1	60	40	50	35	40	30	30	27

EN 10025-6 high strength steel plates S620Q, S620QL, S620QL1 are usually used to manufacture all kinds of construction machinery, such as drilling rigs, electric shovels, electric wheel dumpers, mining trucks, excavators, loaders, bulldozers, all kinds of cranes, coal mine hydraulic supports and other structural parts.

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