ASTM a653

ASTM a653

ASTM a653 pdf free download

ASTM A653 / A653M – 11 Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process
ASTM A653 / A653M
Abstract ASTM a653 pdf
This specification covers steel sheet, zinc-coated (galvanized) or zinc-iron alloy-coated (galvannealed) by the hot-dip process in coils and cut lengths. The material is available in several designations as follows: commercial steel, forming steel, deep drawing steel, extra deep drawing steel, structural steel, high strength low alloy steel, high strength low alloy steel with improved formability, solution hardened steel, and bake hardenable steel. Structural steel, high strength low alloy steel, solution hardened steel, and bake hardenable steel are available in several grades based on mechanical properties. Yield strength, elongation, and bending properties of the steel shall be determined. A bend test shall be done to the coated sheets.

 

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers steel sheet, zinc-coated (galvanized) or zinc-iron alloy-coated (galvannealed) by the hot-dip process in coils and cut lengths.

1.2 The product is produced in various zinc or zinc-iron alloy-coating weights [masses] or coating designations as shown in Table 1 and in Table S2.1.

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 in four 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.

1.4.3 Steels with mandatory chemical requirements and mandatory mechanical properties that are achieved through solid-solution or bake hardening.

1.5 This specification is applicable to orders in either inch-pound units (as A653) or SI units (as A653M). 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.

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

1.8 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 8.1.3 to obtain the approximate coating thickness from the coating weight [mass].

Minimum RequirementD
Triple-Spot Test (TST)
Single-Spot Test (SST)
Inch-Pound Units
Type Coating Designation TST
Total Both Sides, oz/ft2
TST
One Side, oz/ft2
SST
Total Both Sides, oz/ft2
Zinc G01 no minimum no minimum no minimum
G30 0.30 0.10 0.25
G40 0.40 0.12 0.30
G60 0.60 0.20 0.50
G90 0.90 0.32 0.80
G100 1.00 0.36 0.90
G115 1.15 0.40 1.00
G140 1.40 0.48 1.20
G165 1.65 0.56 1.40
G185 1.85 0.64 1.60
G210 2.10 0.72 1.80
G235 2.35 0.80 2.00
G300 3.00 1.04 2.60
G360 3.60 1.28 3.20
Zinc-iron alloy A01 no minimum no minimum no minimum
A25 0.25 0.08 0.20
A40 0.40 0.12 0.30
A60 0.60 0.20 0.50
SI Units
Type Coating Designation
TST
Total Both Sides, g/m2
TST
One Side, g/m2
SST
Total Both Sides, g/m2
Zinc Z001 no minimum no minimum no minimum
Z90 90 30 75
Z120 120 36 90
Z180 180 60 150
Z275 275 94 235
Z305 305 110 275
Z350 350 120 300
Z450 450 154 385
Z500 500 170 425
Z550 550 190 475
Z600 600 204 510
Z700 700 238 595
Z900 900 316 790
Z1100 1100 390 975
Zinc-iron alloy ZF001 no minimum no minimum no minimum
ZF75 75 24 60
ZF120 120 36 90
ZF180 180 60 150
A The coating designation is the term by which the minimum triple spot, total both sides coating weight [mass] is specified. Because of the many variables and changing conditions that are characteristic of continuous hot-dip coating lines, the zinc or zinc-iron alloy 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 or zinc-iron alloy-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 A653/A653Mrequirements” should also specify the particular coating designation.

C International Standard, ISO 3575, continuous hot-dip zinc-coated carbon steel sheet contains Z100 and Z200 designations and does not specify a ZF75 coating.

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

2. Referenced Documents (purchase separately)

ASTM Standards

A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for
A902 Terminology Relating to Metallic Coated Steel Products
A924/A924M Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process
D7396 Guide for Preparation of New, Continuous Zinc-Coated (Galvanized) Steel Surfaces for Painting
E517 Test Method for Plastic Strain Ratio r for Sheet Metal
E646 Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials
ISO Standard

ISO4998 Continuous Hot-Dip Zinc-Coated Carbon Steel of Structural Quality

Index Terms

alloyed coating; bake hardenable steel; high strength low alloy; minimized spangle coating; sheet steel; solution hardened steel; spangle; steel; steel sheet; structural steel; zinc; zinc coated (galvanized); zinc iron-alloy; zinc iron-alloy coated: Composition analysis–metals/alloys; Galvannealed steel sheet–specifications; Hot-dip (galvanized) coatings–specifications; Hot-dip processed coatings–specifications; HSLA (high-strength low-alloy) steel–specifications; Minimized spangle coating; Spangle; Zinc-coated steel sheet–specifications; Zinc electrodeposited coatings–specifications;

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