S355J2WP weathering steel plate standard and chemical composition

The classification of S355J2WP weathering steel plate is alloy special steel, and the standard of S355J2WP weathering steel plate is EN 10025-5: 2004 Hot rolled products of structural steels. Technical delivery conditions for structural steels with improved atmospheric corrosion resistance.

The chemical composition of S355J2WP weathering steel plate

Method ofS355J2WP weathering steel plate deoxidation FF = fully killed steel.
For long S355J2WP weathering steel plate the P and S content can be 0.005% higher.
The S355J2WP weathering steel plate may show a Ni content of max. 0,65 %.
The S355J2WP weathering steel plate shall contain at least one of the following elements: Al total ≥ 0,020 %, Nb: 0,015 - 0,060 %, V: 0,02 - 0,12 %, Ti: 0,02 - 0,10 %. If these elements are used in combination, at least one of them shall be present with the minimum content indicated.