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ASTM A591/A591M

1998 Edition, May 10, 1998

Complete Document

Standard Specification for Steel Sheet, Electrolytic Zinc-Coated, for Light Coating Weight (Mass) Applications



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Superseded By: ASTM A879/A879M

EN
Additional Comments:
W/D S/S BY ASTM A879/A879M
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Product Details:

  • Revision: 1998 Edition, May 10, 1998
  • Published Date: May 10, 1998
  • Status: Superseded By:
  • Superseded By: ASTM A879/A879M
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 4
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This specification covers zinc coatings produced by electro-deposition for light coating weight [mass] applications on steel sheet. This product is available in four zinc-coating designations which are listed in Table 1. For electrolytic zinc-coated steel sheet with coating masses heavier than described in this specification, see Specification A 879.

This product is intended for applications requiring some degree of corrosion resistance with or without requirements for formability, strength, paintability, or a combination thereof. The coating is used to provide some enhancement in corrosion performance as compared to an uncoated product. It is not intended to withstand outdoor exposure without chemical treating and painting.

The steel sheet used as the substrate shall be as described in one of the following specifications, as specified in the order: A 366/A 366M, A 569/A 569M, A 570/A 570M, A 606, A 607, A 611, A 620/A 620M, A 622/A 622M, A 659/A 659M, A 715, A 794, A 812/A 812M, A 963/A 963M, and A 969/A 969M.

This coating process has essentially no effect on the base metal mechanical properties and can be used on any grade or quality of hot or cold-rolled steel sheet.

For purposes of determining conformance with this specification, values shall be rounded to the nearest unit in the right-hand place of figures used in expressing the limiting values in accordance with the rounding method of Practice E 29.

The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.