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ผลิตภัณฑ์โลหะ

เอกสารมาตรฐาน

สหรัฐอเมริกา

AASHTO

M 218-03 (2020)

Steel Sheet, Zinc-Coated (Galvanized), for Corrugated Steel Pipe

2003 (2020)

6

HM42-2022 part 1

This specification covers steel sheet used in the manufacture of corrugated steel pipe (CSP) for storm sewers, culverts, drains, and similar uses. The sheet is zinc-coated (galvanized) by the hotdip process, and is produced in two coating weights, 610 g/m2 and 1220 g/m2. Material for this use is furnished in coils, flat in cut lengths, and corrugated in cut lengths.