ASTM A1063/A1063M-17

standard by ASTM International, 01/01/2017
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
Category: ASTM

~~$67.00~~ $34.00

Description

Full Description

1.1 This specification covers steel sheet, produced by the Twin-Roll Cast Process (see Appendix X2) and zinc-coated (galvanized) by the hot-dip process in coils and cut lengths.

Note 1: See Appendix X2 for a description of the Twin-Roll Cast process.

1.2 The product is produced in various zinc coating weights [masses] or coating designations as shown in Table 1.

(A) The coating designation number is the term by which this product is specified. Because of the many variables and changing conditions that are characteristic of continuous hot-dip coating lines, the zinc coating is not always evenly divided between the two surfaces of a coated sheet; nor is it always evenly distributed from edge to edge. However, the minimum triple-spot average coating weight (mass) on any one side shall not be less than 40 % of the single-spot requirement.

(B) As it is an established fact that the atmospheric corrosion resistance of zinc coated sheet products is a direct function of coating thickness (weight (mass)), the selection of thinner (lighter) coating designations will result in almost linearly reduced corrosion performance of the coating. For example, heavier galvanized coatings perform adequately in bold atmospheric exposure whereas the lighter coatings are often further coated with paint or a similar barrier coating for increased corrosion resistance. Because of this relationship, products carrying the statement “meets ASTM A1063/A1063Mrequirements” should also specify the particular coating designation.

1.3 Product furnished under this specification shall conform to the applicable requirements of the latest issue of Specification A924/A924M unless otherwise provided herein.

1.4 The product is available in a number of designations, grades and classes and in the two following general categories that are designed to be compatible with different application requirements.

1.4.1 Steels with mandatory chemical requirements and typical mechanical properties.

1.4.2 Steels with mandatory chemical requirements and mandatory mechanical properties.

1.5 This material is available in the following sizes:

1.5.1 Thickness-up to 0.078 in. [2.0 mm]

1.5.2 Width-up to 79 in. [2000 mm]

1.6 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes, excluding those in tables and figures, shall not be considered as requirements of this specification.

1.7 This specification is applicable to orders in either inch-pound units (as A1063) or SI units (as A1063M). Values in inch-pound and SI units are not necessarily equivalent. Within the text, SI units are shown in brackets. Each system shall be used independently of the other.

1.8 Unless the order specifies the “M” designation (SI units), the product shall be furnished to inch-pound units.

1.9 This standard does not purport to address all of the safety concerns,

Product Details

Published:

01/01/2017

Number of Pages:

11

File Size:

1 file , 190 KB

Redline File Size:

2 files , 400 KB

Note:

This product is unavailable in Russia, Ukraine, Belarus

Document History

ASTM A1063/A1063M-20

ASTM A1063/A1063M-19

ASTM A1063/A1063M-17

ASTM A1063/A1063M-11

ASTM A1063/A1063M-10

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