Weathering steel plates develop a protective rust patina when exposed to atmospheric conditions, eliminating the need for painting and reducing long-term maintenance costs. We supply ASTM A588, A242, EN S355J2WP, S355J2W, JIS SPA-H, and GB 09CuPCrNi-A grades. These plates are widely used in bridges, building facades, outdoor sculptures, container construction, and architectural applications where a natural weathered appearance is desired.
GB 09CuPCrNi-A is a high-strength, high-weather-resistance structural steel plate (345 MPa yield) featuring elite atmospheric corrosion protection and a maintenance-free patina.
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SPA-H is a high-strength atmospheric corrosion-resistant steel (345 MPa yield) specified under JIS G 3125, ideal for shipping containers, railway cars, and maintenance-free architectural design.
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EN S355J2W is a high-strength weathering steel plate (355 MPa yield) engineered for heavy-duty structural members requiring -20°C impact toughness and maintenance-free durability.
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EN S355J2WP is a high-strength, phosphorus-enriched weathering steel (355 MPa yield) providing elite atmospheric corrosion resistance and -20°C impact toughness.
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ASTM A242 is a high-strength, low-alloy Type 1 weathering steel plate (345 MPa yield) providing exceptional atmospheric corrosion resistance and a maintenance-free architectural patina.
View Details →Overview of GB 09CuPCrNi-A Weathering Steel Plate GB 09CuPCrNi-A is a high-performance atmospheric corrosion-resistant structural steel specified under the GB/T 4171 Chinese national standard. It is the definitive “High Weather Resistance” grade in the Chinese metallurgical system, engineered to provide…
Overview of SPA-H Weathering Steel Plate SPA-H is a high-performance atmospheric corrosion-resistant steel specified under the JIS G 3125 Japanese industrial standard. Often referred to as “Superior Atmospheric Corrosion Resistant Steel,” SPA-H is the industry standard for the manufacturing of…
Overview of EN S355J2W Weathering Steel Plate EN S355J2W is a high-strength, low-alloy structural steel grade specified under the EN 10025-5 European standard. The designation reflects its high-spec engineering: “S” for structural steel, “355” for a minimum yield strength of…
Overview of EN S355J2WP Weathering Steel Plate EN S355J2WP is a high-performance, phosphorus-enriched weathering structural steel specified under the EN 10025-5 European standard. The designation reflects its specialized engineering: “S” for structural steel, “355” for a minimum yield strength of…
Overview of ASTM A242 Weathering Steel Plate ASTM A242 is the original high-strength, low-alloy (HSLA) structural steel specification designed for superior atmospheric corrosion resistance. Often designated as “Type 1” weathering steel, A242 is globally recognized as the equivalent to the…
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