1.1.This specification covers sheet steel for corrugated steel pipe, which is coated with a 55 percent aluminum-zinc alloy on continuous lines by the hot-dip process. The material is furnished in coils, in flat cut lengths, and conugated cut lengths.
The standard corrugations available in cut lengths (pitch by depth) are 68 x 13 mm, 75 x 25 mm, and 125 x 25 mm. Aluminum-zinc alloy coated steel sheet for corrugated pipe is produced in one coating mass only, designated as 210 g/rn’.
1.2.Steel sheets or coils furnished under this specification shall meet the applicable requirements of
ASTM A 792M unless otherwise specified herein.
2.REFERENCED DOCUMENTS
2.1. AASHTO Standards:
T 65M/T 65, Mass [Weight] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
T 68M, Tension Testing of Metallic Materials [Metric]
2.2. ASTM Standards:
Click below to download AASHTO Designation: M 289-91 (2004) pdf free
