ISO 14788:2011
Continuous hot-dip zinc-5 % aluminium alloy coated steel sheet
ISO 14788:2011 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 qualities and grades, coating mass, surface treatments and coating conditions designed to be compatible with differing application requirements.
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1 Scope
2 Normative references
3 Terms and definitions
4 Thickness
5 Requirements
5.1 Chemical composition
5.2 Mechanical properties
5.2.1 Commercial and drawing qualities
5.2.2 Structural quality
5.2.3 Fabrication qualities
5.3 Coating
5.3.1 Coating mass
5.3.2 Coating adherence
5.4 Weldability
5.5 Painting
5.6 Surface treatment
5.6.1 Mill passivation
5.6.2 Oiling
5.7 Coated coil joining
5.8 Dimensional and shape tolerances
6 Sampling
6.1 Chemical composition
6.2 Tensile test
6.3 Coating tests
6.3.1 Coating mass
6.3.2 Triple-spot test
6.3.3 Single-spot test
6.4 Coating adherence
6.5 Retest
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 Introduction
8.2 Coating name
8.3 Coating type
8.4 Coating mass
8.5 Coating condition
8.6 Surface treatment
8.7 Base-metal quality
8.8 Examples
9 Resubmission
10 Workmanship
11 Inspection and acceptance
12 Marking
13 Information to be supplied by the purchaser
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1 Scope
2 Normative references
3 Terms and definitions
4 Thickness
5 Requirements
5.1 Chemical composition
5.2 Mechanical properties
5.2.1 Commercial and drawing qualities
5.2.2 Structural quality
5.2.3 Fabrication qualities
5.3 Coating
5.3.1 Coating mass
5.3.2 Coating adherence
5.4 Weldability
5.5 Painting
5.6 Surface treatment
5.6.1 Mill passivation
5.6.2 Oiling
5.7 Coated coil joining
5.8 Dimensional and shape tolerances
6 Sampling
6.1 Chemical composition
6.2 Tensile test
6.3 Coating tests
6.3.1 Coating mass
6.3.2 Triple-spot test
6.3.3 Single-spot test
6.4 Coating adherence
6.5 Retest
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 Introduction
8.2 Coating name
8.3 Coating type
8.4 Coating mass
8.5 Coating condition
8.6 Surface treatment
8.7 Base-metal quality
8.8 Examples
9 Resubmission
10 Workmanship
11 Inspection and acceptance
12 Marking
13 Information to be supplied by the purchaser