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Technical Specifications for S355J2WP Weathering Steel Plate

S355J2WP is a hot-rolled structural steel resistant to atmospheric corrosion, as defined in the European standard EN 10025-5, with the material designation 1.8946. The designation “WP” refers to a series of weathering steels with a higher phosphorus content, which are suitable for forming a protective rust layer through natural oxidation, thereby enhancing corrosion resistance in atmospheric environments.