ISO 2082:2017
Metallic and other inorganic coatings — Electroplated coatings of cadmium with supplementary treatments on iron or steel
ISO 2082:2017 specifies the requirements of electroplated coatings of cadmium with supplementary treatments on iron and steel. It includes information that is to be supplied by the purchaser to the electroplater, and describes coating requirements, including those for heat treatment before and after electroplating.
It is not applicable to coatings applied
- to sheet, strip or wire in the non-fabricated form,
- to close-coiled springs, or
- for purposes other than protective, intrinsic lubricity, ductility, electrical conductivity and low contact resistance use.
ISO 2082:2017 does not specify requirements for the surface condition of the basis metal prior to electrodeposition with cadmium.
The coating thickness that can be applied to threaded components can be limited by dimensional requirements, including class or fit.
Additional information on corrosion resistance, rinsing and drying, processing parts in bulk and dyeing of chromate conversion coatings is given in Annex C.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
3.2 Abbreviated terms
3.3 Symbols
4 Information to be supplied by the purchaser to the electroplater
4.1 Essential information
4.2 Additional information
5 Designation
5.1 General
5.2 Designation specification
5.3 Designation of the basis material
5.4 Designation of heat treatment requirements
6 Requirements
6.1 Appearance
6.2 Thickness
6.3 Conversion coatings and other supplementary treatments
6.4 Adhesion of cadmium and chromate coatings
6.5 Accelerated corrosion testing
6.5.1 Neutral salt spray test
6.5.2 Corrosion rating
6.6 Stress relief heat treatment before cleaning and metal deposition
6.7 Hydrogen-embrittlement-relief heat treatment after electroplating
6.8 Sampling
Annex A (normative) Designation of supplementary treatments
Annex B (normative) Measurement of average thickness of coating on small articles
Annex C (informative) Additional information on corrosion resistance, rinsing and drying, processing parts in bulk and dyeing of chromate conversion coatings
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
3.2 Abbreviated terms
3.3 Symbols
4 Information to be supplied by the purchaser to the electroplater
4.1 Essential information
4.2 Additional information
5 Designation
5.1 General
5.2 Designation specification
5.3 Designation of the basis material
5.4 Designation of heat treatment requirements
6 Requirements
6.1 Appearance
6.2 Thickness
6.3 Conversion coatings and other supplementary treatments
6.4 Adhesion of cadmium and chromate coatings
6.5 Accelerated corrosion testing
6.5.1 Neutral salt spray test
6.5.2 Corrosion rating
6.6 Stress relief heat treatment before cleaning and metal deposition
6.7 Hydrogen-embrittlement-relief heat treatment after electroplating
6.8 Sampling
Annex A (normative) Designation of supplementary treatments
Annex B (normative) Measurement of average thickness of coating on small articles
Annex C (informative) Additional information on corrosion resistance, rinsing and drying, processing parts in bulk and dyeing of chromate conversion coatings
Bibliography