ISO 14788:2017
Steel sheet, zinc-5 % aluminium alloy-coated by the continuous hot-dip process, of commercial, drawing and structural qualities
ISO 14788:2017 is applicable to the minimum requirements for steel sheet, in coils and cut lengths, metallic-coated by the continuous hot-dip process, with zinc-5 % aluminium alloy coating.
The product is intended for applications requiring corrosion resistance, formability and paintability.
The steel sheet is produced in a number of quality designations and grades, coating type, coating mass, surface treatments and coating finish conditions designed to be compatible with differing application requirements.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimensions
5 Conditions of manufacture
5.1 Steelmaking
5.2 Chemical composition
5.3 Chemical analysis
5.3.1 Heat analysis
5.3.2 Product analysis
5.4 Mechanical properties
5.4.1 Commercial and drawing quality
5.4.2 Structural quality
5.5 Coating
5.5.1 Coating mass
5.5.2 Coating adherence
5.6 Weldability
5.7 Painting
5.8 Coating finish condition
5.9 Surface treatment
5.9.1 Mill passivation
5.9.2 Oiling
5.10 Coated coil joining
5.11 Dimensional and shape tolerances
6 Sampling
6.1 Tensile test
6.2 Coating tests
6.2.1 Coating mass
6.2.2 Triple-spot test
6.2.3 Single-spot test
6.2.4 Coating adherence
7 Test methods
7.1 Tensile tests
7.2 Coating properties
7.2.1 Coating mass
7.2.2 Coating adherence
8 Designation system
8.1 General
8.2 Coating designation
8.3 Coating mass
8.4 Coating finish condition
8.5 Surface treatment
8.6 Base-metal quality
8.7 Examples
9 Retests
9.1 Machining and flaws
9.2 Elongation
9.3 Additional tests
10 Resubmission
11 Workmanship
12 Inspection and acceptance
13 Coil size
14 Marking
15 Information to be supplied by the purchaser
Annex A (normative) Orders requiring base-metal thickness
Bibliography
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Related Information
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AS/NZS 1365:1996
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AS/NZS 1595:1998
Cold-rolled, unalloyed, steel sheet and strip
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimensions
5 Conditions of manufacture
5.1 Steelmaking
5.2 Chemical composition
5.3 Chemical analysis
5.3.1 Heat analysis
5.3.2 Product analysis
5.4 Mechanical properties
5.4.1 Commercial and drawing quality
5.4.2 Structural quality
5.5 Coating
5.5.1 Coating mass
5.5.2 Coating adherence
5.6 Weldability
5.7 Painting
5.8 Coating finish condition
5.9 Surface treatment
5.9.1 Mill passivation
5.9.2 Oiling
5.10 Coated coil joining
5.11 Dimensional and shape tolerances
6 Sampling
6.1 Tensile test
6.2 Coating tests
6.2.1 Coating mass
6.2.2 Triple-spot test
6.2.3 Single-spot test
6.2.4 Coating adherence
7 Test methods
7.1 Tensile tests
7.2 Coating properties
7.2.1 Coating mass
7.2.2 Coating adherence
8 Designation system
8.1 General
8.2 Coating designation
8.3 Coating mass
8.4 Coating finish condition
8.5 Surface treatment
8.6 Base-metal quality
8.7 Examples
9 Retests
9.1 Machining and flaws
9.2 Elongation
9.3 Additional tests
10 Resubmission
11 Workmanship
12 Inspection and acceptance
13 Coil size
14 Marking
15 Information to be supplied by the purchaser
Annex A (normative) Orders requiring base-metal thickness
Bibliography