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ASTM International - ASTM A1063/A1063M-09

Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process

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Organization: ASTM International
Publication Date: 1 May 2009
Status: inactive
Page Count: 10
ICS Code (Flat steel products and semi-products): 77.140.50
scope:

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.

1.3 Product furnished under this specification shall conform to the applicable requirements of the latest issue of Specification A 924/A 924M 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 This specification is applicable to orders in either inch-pound units (as A 1063) or SI units (as A 1063M). 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.

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

1.8 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.

1.9 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

TABLE 1 Weight [Mass] of Coating RequirementsA, B, C

Note- Use the information provided in 8.1.2 to obtain the approximate coating thickness from the coating weight [mass].

Minimum Requirement
Triple-Spot TestSingle-Spot Test
Inch-Pound Units
TypeCoating DesignationTotal Both Sides, oz/ft

2

One Side, oz/ft

2

Total Both Sides, oz/ft

2

ZincG01

C

no minimumno minimumno minimum
G300.300.100.25
G400.400.120.30
G600.600.200.50
G900.900.320.80
G1001.000.360.90
G1151.150.401.00
G1401.400.481.20
G1651.650.561.40
G1851.850.641.60
SI Units
TypeCoating DesignationTotal Both Sides, g/m

2

One Side, g/m

2

Total Both Sides, g/m

2

ZincZ001

C

no minimumno minimumno minimum
Z90 90 30 75
Z120120 36 90
Z180180 60150
Z275275 94235
Z305305110275
Z350350120300
Z450450154385
Z500500170425
Z550550190475
Z600600204510

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 A 1063/A 1063M requirements" should also specify the particular coating designation.

C No minimum means that there are no established minimum requirements for triple- and single-spot tests.

abstract:

This specification covers coils and cut lengths of steel sheets produced by the twin-roll cast process and zinc-coated (galvanized) by the hot-dip process. The material is available in several... View More

Document History

March 1, 2021
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
September 1, 2020
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
September 1, 2019
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
January 1, 2017
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
November 1, 2011
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
May 1, 2011
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
November 1, 2010
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
ASTM A1063/A1063M-09
May 1, 2009
Standard Specification for Steel Sheet, Twin-Roll Cast, Zinc-Coated (Galvanized) by the Hot-Dip Process
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...
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