S355J0WP
1.8945Structural weathering steel with enhanced phosphorus content for accelerated patina formation and superior atmospheric corrosion resistance. Minimum yield strength 355 MPa with impact testing at 0°C. WP designation indicates higher P content (0.06-0.15%) compared to W grades. Available only as flat products up to 12mm thickness. Special welding precautions required due to elevated P. Used for severe atmospheric exposure, coastal (non-marine) structures, architectural facades, and applications requiring rapid patina development.
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33CrMoV12-9
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S235J2W
1.8961Entry-level structural weathering steel with minimum yield strength 235 MPa and impact testing at -20°C (J2 designation). Improved low-temperature toughness compared to S235J0W. Used for outdoor structural applications in colder climates where basic strength with atmospheric corrosion resistance is sufficient.
EN-GJS-500-7
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