What is S690QL equivalent din carbon content

15CrMo steel is a heat-strength steel and hydrogen-resistant steel widely used in the world. As alloy elements such as Cr and Mo are added to low carbon steel, the comprehensive properties of the steel are greatly improved. For example, it has good high temperature mechanical properties, high temperature oxidation resistance, corrosion resistance, good toughness, process performance and weldability.

The cold working performance of S690QL equivalent din and so on steel structure engineering steel is good, which can ensure that the steel will not crack or brittle fracture during high-temperature processing, and will not have a great impact on strength, plasticity and toughness due to processing. The durability of S690QL equivalent din and so on steel structure engineering steel is good. Durability refers to the service life of steel structure. The main factor affecting the service life of steel is the poor corrosion resistance of steel, followed by the deterioration of mechanical properties of steel under long-term load, repeated load and dynamic load.

If the chromium content in S690QL equivalent din alloy steel reaches about 12%, dense chromium oxides will be formed on the surface of the steel, which will greatly improve the corrosion resistance of steel in oxidizing media. Chromium, aluminum, silicon and other elements can improve the oxidation resistance of steel and the corrosion resistance of high-temperature gas, but excessive aluminum and silicon will deteriorate the thermoplasticity of steel.

Our company has been established for 20 years and has accumulated rich experience in steel products. At the same time, it is often exported to Southeast Asia, Africa, South America and other countries. So you can rest assured that our S690QL equivalent din products and our prices are very favorable. Because we have our own factory, there is no other cost, we can also carry out machining and so on.

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