EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1

Description: EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 are quenched and tempered steel plates, for which reason their low-temperature impact toughness has...

E-mail: [email protected]

Chat Online Leave a Message

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 Description

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1. Check the complete grade, product form, applicable edition and ordered dimensions.

Identify the Q, QL or QL1 suffix, thickness, ordered impact temperature, certificate and permitted fabrication route.

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 are quenched and tempered steel plates, for which reason their low-temperature impact toughness has been greatly improved. With high yield strength and tensile strength, S690Q, S690QL, S690QL1 steel plates are widely used in coal mine machinery and engineering machinery.

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 chemical composition of heat analysis:

Legacy technical table · verification required

Confirm every value against the applicable edition, thickness and material certificate.

Legacy technical table
Grade	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
S690Q	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
S690QL, S690QL1				0.020	0.010

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 chemical composition of product analysis:

Legacy technical table · verification required

Confirm every value against the applicable edition, thickness and material certificate.

Legacy technical table
Grade	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
S690Q	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
S690QL, S690QL1				0.025	0.012

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 mechanical properties - tensile test properties at room temperature:

Legacy technical table · verification required

Confirm every value against the applicable edition, thickness and material certificate.

Legacy technical table
EN10025-6	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
S690Q	1.8931	690	650	630		770 to 940	760 to 930	710 to 900		14
S690QL	1.8928
S690QL1	1.8988

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 mechanical properties - impact energy on test pieces:

Legacy technical table · verification required

Confirm every value against the applicable edition, thickness and material certificate.

Legacy technical table
EN 10025-6	Min. impact energy (J) at test temperature (℃)
Grade	0		-20		-40		-60
Grade	Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse	Longitudinal	Transverse
S690Q	40	30	30	27	-	-	-	-
S690QL	50	35	40	30	30	27	-	-
S690QL1	60	40	50	35	40	30	30	27

EN 10025-6 high strength steel plates S690Q, S690QL, S690QL1 are 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.

Source and scope

DIN EN 10025-6:2023-06, EN 10025-6:2019+A1:2022 · Quenched and tempered high-yield flat products, scope. Part 6 concerns flat products of high-yield structural steels in the quenched-and-tempered condition. Specify the Q, QL or QL1 grade, ordered thickness and required impact tests.

Apply the cited scope to the matching designation and form. Confirm any remaining technical values with the applicable edition or material certificate.