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The main characteristics and mechanical properties of S355J0WP steel plate

S355J0WP steel plate has the following main characteristics and mechanical properties:

1. Weather resistance: S355J0WP steel plate has excellent weather resistance, which can resist atmospheric corrosion in the harsh external environment for a long time, including oxidation, fading and surface rust. It can form a dense oxide layer, called "oxide" or "stability layer", which acts as a barrier to further oxidation and corrosion.

2. Corrosion resistance: S355J0WP steel plate has excellent corrosion resistance, and has good resistance to atmospheric humidity, acid rain, salt water, etc. Its special alloy composition helps to form a protective oxide layer that provides additional protection against corrosion.

3. Strength and plasticity: S355J0WP steel plate has high strength and good plasticity, suitable for a variety of structural applications. Its tensile strength is usually 470-630 MPa, and its yield strength is not less than 355 MPa. In addition, it also has a certain impact toughness and ductility.

4. Weldability: S355J0WP steel plate has good weldability and can be processed and connected by common welding methods (such as arc welding, gas shielded welding, etc.). However, for larger sheets with a thickness of more than 12 mm, preheating may be required to avoid stress accumulation and crack formation.

5. Processing performance: S355J0WP steel plate has good processing performance in cutting, bending, punching and forming. It can be processed by commonly used processing methods and does not significantly affect its weather resistance and mechanical properties.

It should be noted that the specific performance of S355J0WP steel plate may be affected by the specifications and processing conditions provided by the manufacturer. Therefore, in practical applications, you should refer to the relevant material data sheet or consult with the manufacturer to obtain accurate performance parameters.