EN 10137 S550QL high yield strength structural steels

S550QL high yield strength structural steels of quenched and tempered
 
S550Q standard toughness, S550QL high toughness and S550QL1 extra toughness
S550Q - according to EN 10137 with minimum impact values down to -20°C (-4°F)
S550QL - according to EN 10137with minimum impact values down to -40°C (-40°F)
S550QL1- according to EN 10137with minimum impact values down to -60°C (-76°F)
 
Unitedsteel Mill Supply High strength steel plate, and have various stock size, If you require high strength steel plate. Please contact us by Email sales@unitedsteelplate.com to contact us.
 
Condition of Delivery EN 10137 Water quenched and tempered.

S550QL Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	N	B	Cr
S550QL	0.20	0.80	1.70	0.020-0.025	0.010-0.015	0.015	0.005	1.50
	Cu	Mo	Nb	Ni	Ti	V	Zr
	0.50	0.70	0.06	2.0	0.05	0.12	0.15

a. Depending on the thickness of the product and the manufacturing conditions, the manufacturer may add to the steel one or several alloying elements up to the maximum
values given in order to obtain the specified properties (see 7.2.2).
b There shall be at least 0,015 % of a grain-refining element present. Aluminium is also one of these elements. The minimum content of 0,015 % applies to soluble
aluminium, this value is regarded as attained if the total aluminium content is at least 0,018 %; in case of dispute the soluble aluminium content shall be determined.
 

Grade	S550QL Mechanical Property
	Thickness	Yield	Tensile	Elongation	Min Impact Energy
S550QL	mm	Min Mpa	Mpa	Min  %	-40	30J
	3<t≦50	550	640-820	16	-40	30J
	50<t≦100	530	640-820	16	-40	30J
	100<t≦150	490	590-770	16	-40	30J

The manufacturer reserves the right to change the chemical composition.
Typical Applications
Heavy road vehicles: chassis, dumper bodies. Cranes construction: booms of mobile cranes.
Structural steelworks: bridges, bridge components, components for offshore structures.
Pressure vessels: fixed and transportable storage tanks, vessels. Power plants:
Penstocks, spiral cases. Materials handling: lifting and mobile equipment.
Mining and earthmoving equipment: roof supports. Agricultural equipment and trailer
 

Equivalent Steel Plate Grade
EN 10025-6		EN 10137-2 1995		EU 137 1983	Germany	France	Sweden
S460Q	1.8908	S460Q	1.8908	FeE 460 V	-
S460QL	1.8906	S460QL	1.8906	FeE 460 V KT	TStE 460 V
S460QL1	1.8916	S460QL1	1.8916			E 460T
S500Q	1.8924	S500Q	1.8924	FeE 500 V	TStE 500 V		2614
S500QL	1.8909	S500QL	1.8909	FeE 500 V KT	EStE 500 V		2615
S500QL1	1.8984	S500QL1	1.8984			E 500T
S550Q	1.8904	S550Q	1.8904	FeE 550 V	TStE 550 V
S550QL	1.8926	S550QL	1.8926	FeE 550 V KT	EStE 550 V
S550QL1	1.8986	S550QL1	1.8986			E 550T
S620Q	1.8914	S620Q	1.8914	FeE 620 V	StE 620 V
S620QL	1.8927	S620QL	1.8927	FeE 620 V KT	TStE 620 V
S620QL1	1.8987	S620QL1	1.8987		EStE 620 V	E 620T
S690Q	1.8931	S690Q	1.8931		StE 690 V		2624
S690QL	1.8928	S690QL	1.8928	FeE 690 V KT	TStE 690 V	E 690T	2625
S690QL1	1.8988	S690QL1	1.8988		EStE 690 V
S890Q	1.8940	S890Q	1.8940
S890QL	1.8983	S890QL	1.8983		TStE 890 V
S890QL1	1.8925	S890QL1	1.8925		EStE 890 V
S960Q	1.8941	S960Q	1.8941
S960QL	1.8933	S960QL	1.8933		TStE 960 V	E 960T

 
Unitedsteel Mill Supply High strength steel plate, and have various stock size, If you require high strength steel plate. Please contact us by Email sales@unitedsteelplate.com to contact us.