IS 14246 : 2024 Continuously Pre-Painted Galvanized Steel Sheets and Strips - Specification

ICS 77.140.50; 91.060.20

MTD 4

1 SCOPE

1.1 This standard covers the requirement of continuously pre-painted hot-dip galvanized steel sheets and strips.

1.2 Sheets and strips produced by uniformly coating and baking durable organic coating, for example, alkyd, epoxy, polyester, acrylic etc, over one or both surfaces of galvanized steel sheets and strips using hot-rolled or cold-rolled steel sheets and strips as base are covered in this standard.

1.3 This standard also covers requirements for different classes of durability of paint coatings in accordance with the severity of the application.

2 REFERENCES

The standards listed in Annex D contains provision which through in the text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All the standards are subjected to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.

IS No./Other Standards Title
IS 101 Methods of sampling and test for paints, varnishes and related products:
 (Part 4/Sec 4) : 2020/ISO 2813 : 2014 Optical test, Section 4 Gloss - Determination of gloss value at 20°, 60° and 85° (fourth revision)
 (Part 5) Mechanical test on paint films,
 (Sec 1) : 1988 Hardness tests (third revision)
 (Sec 2) : 1988 Flexibility and adhesion (third revision)
 (Part 6/Sec 1) : 1988 Durability tests, Section 1 Resistance to humidity under conditions of condensation (third revision)
IS 277 : 2018 Galvanized steel strips and sheets (plain and corrugated) - Specification (seventh revision)
IS 875 (Part 2) : 1987 Code of practice for design loads (other than earthquake) for buildings and structures: Part 2 Imposed loads (second revision)
IS 8910 : 2022/ISO 404 : 2013 Steel and steel products - General technical delivery requirements (second revision)
IS 9844 : 1981 Methods of testing corrosion resistance of electroplated and anodized aluminium coatings by neutral salt spray test
IS/ISO 16163 : 2012 Continuously hot-dipped coated steel sheet products - Dimensional and shape tolerances (first revision)
ISO 2808 : 2019 Paints and varnishes - Determination of film thickness
ISO 4628-2 : 2016 Paints and varnishes - Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance