Manufacturing process of EN 10025-6 high strength steel 1.8940

The boiler steel plate is used to manufacture various boilers and important accessories. Because the EN 10025-6 high strength steel 1.8940 boiler steel plate works under the medium temperature (below 350 ° C) and high pressure state, it is not only subject to high pressure, but also to impact, fatigue load and water and air corrosion. The boiler steel plate is required to ensure certain strength and good welding and cold bending performance.Bridge steel plate EN 10025-6 high strength steel 1.8940 is used for large railway bridge. The bridge steel plate is required to bear dynamic load, impact, vibration, corrosion resistance, etc.

The metallurgical quality of spring steel should reach the level of high quality steel. Due to the special requirements of production parts, EN 10025-6 high strength steel 1.8940, spring steel must have some characteristics. First, the fatigue resistance of spring steel is good, and it can be restored to its original state after repeated use without deformation. Second, good flexibility. Third, the tensile strength of spring steel is good, under the limit of being stretched, it can be restored without breaking.

Tempering the important EN 10025-6 high strength steel 1.8940 welding structure often use high temperature tempering to remove residual weld stress. Classification: high temperature tempering above 400 ℃, medium temperature tempering 250 ~ 400 ℃, low temperature tempering 150 ~ 250 ℃, Quenching +Tempering is improve EN 10025-6 high strength steel 1.8940 strength, plasticity and toughness.

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