S690QL ultra high strength steel

Classification :

S690QL Structural Steel plates,provides goof welding abilities, in all existing welding methods. S690QL high yield structural steel is used in a variety of sectors including: Heavy transportation Machine building Steel constructions Lifting equipment, long-span bridge components, bearing element in high-rise buildings, off-shore structures and cranes, in power plants, mining applications or LPG vessel, etc.

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Carbon Steel

Product information

S690QL is a high strength quenched and tempered steel grade that complies to steel specification EN 10025. The designation S690QL refers to a minimum yield strength of 690 MPa.

The combination of good availability and pricing and high strength combined with ease of fabrication has made S690QL steel plate a popular grade for both mobile applications such as cranes and lifting equipment and fixed steel structures. The high strength nature of this steel means that structures can be designed lighter and for mobile application this means increase in payload and operational efficiency.

Chemical composition & Mechanical property

Typical chemical composition of S690QL % Max
C	SI	Mn	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
0.2	0.80	1.70	0.025	0.015	0.015	0.005	1.50	0.50	0.70	0.06	2.0	0.05	0.12	0.15

Mechanical Properties of S690QL
Designation		Mechanical Properties (ambient temperature)
Steel Name	Steel Number	Min. Yield Strength ReH MPa			Tensile Strength Rm MPa			Min. & elongation after fracture
		Nominal thickness (mm)			Nominal thickness (mm)
		>3 <50	>50 <100	>100 <150	>3 <50	>50 <100	>100 <150
S690QL	1.8931	690	650	630	770/940	760/930	710/900	14

V notch impact testing
Grade	Sample Orientation	at 0°C	at -20°C	at -40°C	at -60°C
S690QL	Longitudinal	50J	40J	30J
S690QL	Transverse	35J	30J	27J

warehouse storage

The annual output of the factory is 400,000 tons, and the current inventory is more than 100,000 tons, which can greatly save the purchasing time of customers and ensure the production cycle and product quality of customers. We are a quality partner for domestic and foreign customers. At present, there are 14 steel production lines for processing, bending, coating, heat treatment, cutting, drilling, chamfering, conditioning, surface treatment and 13 sets of processing equipment.

Packing and shipping

Our main products are: carbon steel plate, carbon steel pipe, carbon steel coil, stainless steel plate, stainless steel coil, stainless steel profile, galvanized plate, galvanized coil, color coated steel coil, ppgi/ppgl and a wide range of high quality steel products.

Customer visit

Li Cheng (Shandong) Metal Materials Co., LTD. has the right to import and export, and its products are exported to more than 20 countries in Asia, Africa, Europe, North America and other regions. Complete processing equipment, perfect quality assurance system, well received by customers.We are willing to first-class technology, first-class equipment, first-class service wholeheartedly and friends from all walks of life sincere cooperation!

Cooperation Case

Applicable to construction, petroleum, chemical, electric power, metallurgy, urban gas, heat pipe network, Bridges, railways, vehicles, ships and other industrial fields and construction, infrastructure and other engineering fields. Complete testing equipment, strong technical force, can implement GB, ASTM, JIS, DIN and other standards.

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Carbon Steel