AASHTO - American Association of State Highway and Transportation Officials
Latest
M 218-2003
Scope
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.
M 218-2003 history
2003M 218-2003 Standard Specification for Steel Sheet@ Zinc-Coated (Galvanized)@ for Corrugated Steel Pipe
1996M 218-1996 Standard Specification for Steel Sheet@ Zinc-Coated (Galvanized)@ for Corrugated Steel Pipe (Twentieth Edition)
1987M 218-1987 Standard Specification for Steel Sheet@ Zinc-Coated (Galvanized) for Corrugated Steel Pipe
1974M 218-1974 Standard Specification for Zinc Coated (Galvanized) Iron or Steel Sheets for Culverts and Underdrains