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S690QL

S690QL is a high-strength structural steel grade known for its exceptional toughness and weldability. It belongs to the EN 10025-6 standard and is commonly used in construction, mining, and offshore industries, where superior strength, durability, and weight reduction are required. S690QL offers a high yield strength and excellent impact resistance, making it suitable for applications subjected to heavy dynamic loads and extreme conditions. This steel grade ensures reliable performance and allows for efficient fabrication and assembly of structures while maintaining structural integrity and safety. With its outstanding properties, S690QL contributes to extended equipment lifespan and reduced maintenance costs.

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Product Introduction

EN10025-6 S690QL High-strength Steel Plate

EN10025-6 S690QL Carbon and Low-alloy High-strength Steel Plate Chemical Composition

Chemical composition % max
Grade	C	Mn	Si	P	S	N	B	Cr	Cu	Mo	Nb	Ni	Ti	V	Zr
S690QL	0.22	1.80_	0.86	0.025	0.012	0.016	0.006	1.6	0.55	0.74	0.07	2.1	0.07	0.14	0.17

EN10025-6 S690QL Carbon and Low-alloy High-strength Steel Plate Mechanical Property

S690QL Mechanical properties min
Yield strength (Mpa)			Tensile strength (Mpa)			Elongation %
>3 ≤50	>50≤100	>100≤150	>3 ≤50	>50≤100	>100≤150
690	650	630	770-940	760-930	710-900	14

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