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S690QL High Strength Steel Plate

High strength plate is a special type of steel plate with higher yield and tensile strength than ordinary structural steel, and higher strength and durability than ordinary steel plates.
Technique: Hot Rolled
Thickness:6-100mm or customized
Width:6-700mm
Length:3000-18800mm

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Description

S690QL steel is a high-strength, low-alloy structural steel that is heat treated using a quench and temper process and has good welding and bending properties. The S690QL designation refers to a minimum yield strength of 690 MPa.

S690QL Designation

"S"represent Structural Steel
"690" Indicates that its minimum yield strength is 690 MPa
Q = Quenching & Tempering
L = Low notch toughness testing temperature

high strength steel plate

s690QL High Strength Plate Specification

Material	S690QL High Strength Steel Plate
Width	1500mm to 2500mm
Thickness	8-50 mm
Length	6000mm to 12000mm
Heat Treatment	Q+T(quenched and Tempered )
Application of S690QL Plate	Engineering Construction Tanks Yellow goods Bridge construction Rail Energy & Power Industry
Grade	S690 QL 1,S690QL ,S690 Q,S690 QL
Value Added Services	Annealing Saw Cutting Laser Cutting Shearing Metal Processing Surface Grinding Grinding Drilling

s690ql steel

S690QL Steel Chemical Composition

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

S690QL Plate Mechanical Properties

Designation		Mechanical Properties (ambient temperature)
Steel Grade	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