This document is applicable to the minimum requirements for steel sheet used in the manufacture of corrugated steel pipe, in coils, flat cut lengths and corrugated cut lengths metallic-coated by the continuous hot-dip process.

This product is intended for storm sewers, culverts, drains and similar uses.

Several metallic-coated materials are covered, which relies on users to determine which product best serves their needs. Four different metallic coatings are included:

— zinc coated;

— zinc-5 % aluminium-mischmetal alloy coated;

— 55 % aluminium-zinc alloy coated;

— aluminium-silicon alloy coated.