Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
AASHTO M 289:1991
Năm ban hành 1991
Publication date
Tình trạng
A - Còn hiệu lực
Status |
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Tên tiếng Anh
Title in English Standard Specification for Aluminum-Zinc Alloy Coated Sheet Steel for Corrugated Steel Pipe
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Số trang
Page 7
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 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, flat cut lengths, and corrugated cut lengths. The standard corrugations available in cut lengths (pitch by depth) are 68 by 13 mm, 75 by 25 mm, and 125 by 25 mm. Aluminum-zinc alloy coated steel sheet for corrugated pipe is produced in one coating mass only, designated as 210 g/m2. Steel sheets or coils furnished under this specification shall meet the applicable requirements of ASTM A792/A792M unless otherwise specified herein. |