Quenched and tempered EN 10025-6 high strength steel plates

Description: EN 10025-6 is standard for hot-rolled flat steel products. It covers steel grades of S460 series, S500 series, S550 series, S620 series, S690 series, S890 serie...

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Quenched and tempered EN 10025-6 high strength steel plates Description

Quenched and tempered EN 10025-6 high strength steel plates. 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.

Legacy technical note · verification required

EN 10025-6 is standard for hot-rolled flat steel products. It covers steel grades of S460 series, S500 series, S550 series, S620 series, S690 series, S890 series, S960 series. EN 10025-6 high strength steel plates have a specified minimum yield strength of 460 MPa to 960 MPa after quenching and tempering.

Quenched and tempered EN 10025-6 high strength steel plates 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	Quality	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
All grades	no symbol	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
	L,L1				0.020	0.010

Quenched and tempered EN 10025-6 high strength steel plates 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	Quality	C	Si	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
All grades	no symbol	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
	L,L1				0.025	0.012

Quenched and tempered EN 10025-6 high strength steel plates mechanical properties:

Legacy technical table · verification required

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

Legacy technical table
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
S460Q	1.8908		460	440	400		550 to 720		500 to 670		17
S460QL	1.8906
S460QL1	1.8916
S500Q	1.8924		500	480	440		590 to 770		540 to 720		17
S500QL	1.8909
S500QL1	1.8984
S550Q	1.8904		550	530	490		640 to 820		590 to 770		16
S550QL	1.8926
S550QL1	1.8986
S620Q	1.8914		620	580	560		700 to 890		650 to 830		15
S620QL	1.8927
S620QL1	1.8987
S690Q	1.8931		690	650	630		770 to 940	760 to 930	710 to 900		14
S690QL	1.8928
S690QL1	1.8988
S890Q	1.8940		890	830	830	-	940 to 1100	880 to 1100	880 to 1100	-	11
S890QL	1.8983
S890QL1	1.8925
S960Q		1.8941	960	850	850	-	980 to 1150	900 to 1100	900 to 1100	-	10
S960QL		1.8933
S960QL1		1.8934

Legacy technical note · verification required

The minimum nominal thickness is 3 mm and maximum nominal thickness is 200 mm for S460 series, S500 series, S550 series, S620 series, S690 series steel plates. While the maximum nominal thickness is 125 mm for S890 series and S960 series EN 10025-6 high strength steel plates.

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.

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