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S690QL1

S690QL1 is a high-strength structural steel grade renowned for its exceptional toughness and weldability. It belongs to the EN 10025-6 standard and finds applications in construction, mining, and offshore industries. S690QL1 offers a high yield strength and excellent impact resistance, making it suitable for demanding environments 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 superior properties, S690QL1 enhances equipment longevity and minimizes maintenance requirements, contributing to cost savings in the long run.

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Product Introduction

EN10025-6 S690QL1 High-strength Steel Plate

EN10025-6 S690QL1 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
S690QL1	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 S690QL1 Carbon and Low-alloy High-strength Steel Plate Mechanical Property

S690QL1 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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