ISO 4998:2011
Continuous hot-dip zinc-coated carbon steel sheet of structural quality
ISO 4998:2011 applies to continuous hot‑dip zinc‑ and zinc‑iron‑alloy‑coated carbon steel sheet of structural quality.
The product is intended for applications where resistance to corrosion is of prime importance.
The steel sheet is produced in a number of grades, coating mass, ordering conditions and surface treatments.
ISO 4998:2011 does not cover steels designated as commercial quality, or drawing quality, which are covered in ISO 3575.
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1 Scope
2 Normative references
3 Terms and definitions
4 Thickness
5 Conditions of manufacture
5.1 Chemical composition
5.2 Mechanical properties
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 Mill phosphating
5.6.3 Oiling
5.7 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 Triplespot test
6.3.3 Singlespot test
6.3.4 Coating adherence
6.4 Retest
7 Test methods
7.1 Tensile test
7.2 Coating properties
7.2.1 Coating mass
7.2.2 Coating adherence
8 Designation system
8.1 Coating type
8.2 Coating mass
8.3 Coating conditions
8.4 Surface treatment
8.5 Example
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 Conditions of manufacture
5.1 Chemical composition
5.2 Mechanical properties
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 Mill phosphating
5.6.3 Oiling
5.7 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 Triplespot test
6.3.3 Singlespot test
6.3.4 Coating adherence
6.4 Retest
7 Test methods
7.1 Tensile test
7.2 Coating properties
7.2.1 Coating mass
7.2.2 Coating adherence
8 Designation system
8.1 Coating type
8.2 Coating mass
8.3 Coating conditions
8.4 Surface treatment
8.5 Example
9 Resubmission
10 Workmanship
11 Inspection and acceptance
12 Marking
13 Information to be supplied by the purchaser