BS 5338:1976
Current
The latest, up-to-date edition.
Code of practice for zinc alloy pressure die casting for engineering
Hardcopy , PDF
English
30-06-1976
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Foreword
Cooperating organizations
Section one. General
1. Scope
2. References
3. Definitions
4. Consultation on design
Section two. Materials
5. British standards
6. Certification
Section three. Basic design factors
7. General requirements
8. Advantages and limitations of zinc alloy die castings
9. Choice of alloy
10. Finishing
11. Mechanical properties
12. Dimensional changes
Section four. Component design
13. General aims
14. Section thickness
15. Ribs
16. Uniformity of sections
17. Undercuts
18. Fillets
19. Exterior corners
20. Bosses
21. Studs
22. Threads
23. Inserts
24. Lettering
25. Textured surfaces
26. Dimensions
27. Draft angle
28. Cored holes
Section five. Working practice
29. Pressure die casting machines
30. Cleanliness of working
31. Metal temperature
32. Die temperature
33. Reclaimed metal
Section six. Inspection
34. Inspection requirement
35. Ingot
36. Identification of castings
37. Provision of samples for inspection
38. Freedom from defects
39. Tests for compliance
40. Determination of minimum weight
Appendices
A. Properties of the zinc die casting alloys
B. Dimensional changes of zinc alloy die castings on
ageing
C. Stress and energy unit conversions
Tables
1. Mechanical properties of zinc alloy diecastings at
20 deg C to 21 deg C
2. Effect of temperature variation on mechanical
properties
3. Mechanical and physical properties of zinc alloy
die castings
Figures
1. Stress and time to produce given amounts of strain
(alloy A) at 20 deg C
2. Stress and time to produce given amounts of strain
(alloy B) at 20 deg C
3. Diagrammatic part-section of hot chamber system
used for the zinc alloys
4. Diagrammatic description of a horizontal cold-chamber
pressure die casting system
Recommendations on materials, basic design factors, component design, working practice, inspection. Appendices on mechanical properties and dimensional stability.
| Committee |
NFE/8
|
| DevelopmentNote |
Supersedes 74/43204 DC. (08/2005) Reviewed and confirmed by BSI, November 2008. (11/2008)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This code is concerned with the practice to be adopted in the design and manufacture of pressure die castings in compliance with the requirements of BS 1004.
| BS 1224:1970 | Specification for electroplated coatings of nickel and chromium |
| DEF 130 : AMD 1 | CHROMATE PASSIVATION OF CADMIUM AND ZINC SURFACES |
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