The heat treatment knowledge of EN 10025-6 high strength steel S690QL+Z35

Low alloy coils are steel coils made of steel with a low alloy content, usually less than 3.5%. Low alloy coil materials mainly include A572 Gr 50, S355JR, SS490, ST52-3, Q345B, etc.. These grades are also the most widely used and produced low-alloy high-strength steel grades in the world. The strength of low alloy coils is about 20% to 30% higher than that of ordinary carbon structural steel, EN 10025-6 high strength steel S690QL+Z35. And the atmospheric corrosion resistance of low alloy coils is 20% to 38% higher than that of ordinary carbon structural steel.

Wear-resistant steel plate is a kind of construction material with good wear resistance and high toughness. EN 10025-6 high strength steel S690QL+Z35, wear-resistant steel plate plays an important role in many industries in daily use. However, what is wear-resistant steel plate? Where is it used? The wear-resistant layer is the main component of the wear-resistant steel plate. The material used to make the wear-resistant layer is mainly titanium alloy. In addition, other materials such as manganese, nickel, molybdenum, and niobium may be added. The coordination of all materials is to maintain or enhance the wear resistance of the wear layer.

The pre cooling direct quenching and low temperature tempering of wear-resistant composite plate can reduce the quenching deformation of the workpiece, and the residual austenite content in the carburized layer can also be slightly reduced. The surface hardness of the hardfacing wear-resistant composite plate, EN 10025-6 high strength steel S690QL+Z35 is slightly increased, but the austenite grain does not change. It is widely used in various tools of fine grain steel manufacturing.

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