High Strength Steel Sheet S960ql1

high strength steel sheet s960ql1

1. Scope
The steel specified in this standard can be used for the production of hot rolled plates of steel grades S460, S500, S550, S620, S690, S890, S960 with a minimum nominal thickness of 3mm and a maximum nominal thickness of 150mm. The specified minimum yield strength of quenched and tempered steel is 460MPa1 to 960 MPa1).
2. Steel type and variety
The standard specifies seven types of steel, which differ in yield strength at ambient temperatures. Specify all grades to be supplied from the following varieties when requested.
-- The minimum value of the impact power specified when the temperature is not lower than -20℃ (no label).
- When the temperature is not lower than -50℃, the minimum value specified by the impact work is expressed by L.
-- (except S960) The minimum value specified by the impact work when the temperature is not lower than -60℃ is expressed by L1.

chemical component

grade	quality	C % Max	Si % Max	Mn % Max	P % Max	S % Max	N % Max	B % Max	Cr % Max	Cu % Max	Mo % Max	Nb % Max b	Ni % Max	Ti % Max b	V % Max b	Zr % Max b
All steel grades	(unsigned) L L1	0.20	0.80	1.70	0.025 0.020 0.020	0.015 0.010 0.010	0.015	0.005 0	1.50	0.50	0.70	0.06	2.0	0.05	0.12	0.15
a Depending on product thickness and manufacturing conditions, the manufacturer may add one or more alloying elements to the steel to increase the maximum value in order to obtain the specified properties b There should be at least 0.015% refined grain element present. Aluminum is one of these elements. The minimum content of soluble aluminum is 0.015%, if the aluminum content reaches a minimum of 0.018%, it is considered to reach this value, if there is doubt to determine the soluble aluminum content.

mechanical property
Table 4 Tempered steel ladle analysis based on maximum CEVa

name		according to	mm is the nominal thickness of the product The maximum CEV in %
EN 10027-1 And CR 10260	EN 10027-2	£ 50		>50 £ 100	>100 £ 150
S460Q	1.8908
S460QL	1.8906	0.47		0.48	0.50
S460QL1	1.8916
S500Q	1.8924
S500QL	1.8909	0.47		0.70	0.70
S500QL1	1.8984
S550Q	1.8904
S550QL	1.8926	0.65		0.77	0.83
S550QL1	1.8986
S620Q	1.8914
S620QL	1.8927	0.65		0.77	0.83
S620QL1	1.8987
S690Q	1.8931
S690QL	1.8928	0.65		0.77	0.83
S690QL1	1.8988
S890Q	1.8940
S890QL	1.8983	0.72		0.82	-
S890QL1	1.8925
S960Q	1.8941
		0.82		-	-
S960QL	1.8933
a See 7.2.3 for optional additions that affect the CEV.

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