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ASTM A525M

Revision 91A, August 15, 1991

Complete Document

STANDARD SPECIFICATION FOR GENERAL REQUIREMENTS FOR STEEL SHEET, ZINC- COATED (GALVANIZED) BY THE HOT-DIP PROCESS [Metric]



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Superseded By:

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Additional Comments:
W/D S/S BY ASTM A653 AND ASTM A924
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Product Details:

  • Revision: Revision 91A, August 15, 1991
  • Published Date: August 15, 1991
  • Status: Superseded By:
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 8
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This specification covers the general requirements for the delivery of steel sheet in coils and cut lengths, zinc-coated (galvanized) on continuous lines by the hot-dip process. Galvanized steel sheet is customarily available in commercial quality, lock-forming quality, drawing quality, drawing quality special killed, and structural (physical) quality, which are fully described in separate standards (Section 2). Galvanized steel sheet is produced to various zinc-coating designations, as shown 10 Table 1, designed to give coatings compatible with the service life required. Except for differential-coated sheet, the coating is always expressed as the total coating of both surfaces. Galvanized steel sheet can be produced with the following types of coatings:

Regular spangle,

Minimized spangle,

Zinc-iron alloy, and

Differential.

NOTE 1-This specification is the metric counterpart of Specification A 525.