The alloy elements in EN 10025-6 high strength steel S690Q

SKD12 features and applications: SKD12 is suitable for various hardware cold punching dies, and large and complex punching dies that can withstand greater impact.
SKD12 characteristics: 1. Air quenching die steel has deep air quenching hardening performance; 2. High wear resistance, micro deformation, high hardenability, high compressive strength; 3. Carbide distribution is more uniform than Cr12 steel.

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Both steelmaking and ironmaking are carried out by oxidation-reduction reaction, but there are great differences between them in reaction objects: ironmaking is to reduce iron, while EN 10025-6 high strength steel S690Q steelmaking is to remove excessive carbon and other impurities in pig iron, so there are relations and differences between them in actual operation. There are three main methods of EN 10025-6 high strength steel S690Q steelmaking: converter, electric furnace and flat furnace. The converter steelmaking process is most widely used.

When phosphorus, copper, chromium, nickel and other trace elements are added to the weathering steel sheet, a dense and strong adhesion protective film will be formed on the steel surface, which will hinder the corrosion from spreading and developing inside, and protect the substrate under the rust layer, so as to slow down the corrosion rate. That is why the weathering steel sheet, EN 10025-6 high strength steel S690Q has good atmosphere corrosion resistance.

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