Standard
Track updates
AS 2453-2004
[Current]Electroplated coatings — Chromium for engineering applications
Specifies the requirements for electroplated coatings of hard chromium on ferrous and non-ferrous metals for engineering applications.
Published: 02/04/2004
Pages: 30
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Service condition number
1.5 Condition of the item before electroplating
1.5.1 Surface finish
1.5.2 Preplating condition
1.6 Classification
2 Coating requirements for chromium
2.1 General
2.2 Appearance
2.2.1 Regular chromium
2.2.2 Crack-free chromium
2.2.3 Porous chromium
2.2.4 Partially coated surfaces
2.3 Coating thickness
2.3.1 Regular chromium and crack-free chromium
2.3.2 Porous chromium
2.3.3 Allowance for build-up of coating
2.3.4 Thickness measurement
2.4 Adhesion
2.5 Hardness
2.6 Porosity of porous chromium
2.7 Separate specimens
2.8 Heat treatment after electroplating
2.8.1 General
2.8.2 Steels
2.8.3 Aluminium and aluminium alloys
2.9 Corrosion testing
Appendix A
Appendix B
B1 Scope
B2 Statistical sampling
B3 Product certification
B4 Supplier’s quality management system
B5 Other means of assessment
Appendix C
Appendix D
D1 Scope
D2 Requirements
D3 Categorization of steels
D4 Stress relief
D4.1 High strength steels
D4.2 Shorter times at higher temperatures
D4.3 Stress relief temperatures after shot peening
D4.4 Steels below 1400 MPa
Appendix E
E1 Scope
E2 Requirements
E3 Embrittlement relief treatment classes
E4 Heat treatment after processing
E4.1 Heat treatment
E4.2 High strength steels
E4.3 Threads and sharp notches
E4.4 Surface-hardened, through-hardened and bearing steels
E4.5 Hardness loss for chromium steels
Appendix F
Appendix G
G1 General
G2 Thickness of chromium
G2.1 Where anti-stick properties are required
G2.2 Where wear resistance only is required
G2.3 Where worn or overmachined items to be reclaimed
G3 Finishing to size
Appendix H
Cited references in this standard
[Current]
Methods of test for metallic and related coatings, Method 3.10: Corrosion and related property tests — Cracks and pores in chromium
[Current]
Methods of test for metallic and related coatings, Method 4.1: Physical tests — Qualitative adhesion tests
[Current]
Methods of test for metallic and related coatings, Method 4.4: Physical test — Assessment of intensity of shot-peening
[Current]
Metal finishing — Recommended sampling plans for the inspection and testing of coatings (ISO 4519:1980, MOD)
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