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S890QL1 Chemical Composition and Carbon Equivalent (CEV) Explained

The chemical composition of S890QL1 directly affects its weldability, hardenability, and low-temperature toughness. As a quenched and tempered fine-grained steel conforming to the EN 10025-6 standard, S890QL1 achieves a yield strength of at least 890 MPa through a carefully balanced low-carbon alloy system, rather than by increasing the carbon content.