BS 970-4:1970
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for wrought steels for mechanical and allied engineering purposes Valve steels
Available format(s)
Hardcopy , PDF
Superseded date
15-08-1998
Superseded by
Language(s)
English
Published date
12-02-1970
Publisher
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Co-operating organizations
Foreword
SPECIFICATION
1. GENERAL REQUIREMENTS
1.1 Scope
1.2 General
1.3 Information to be supplied by the purchaser
1.4 Steelmaking process
1.5 Chemical composition
1.6 Product analysis and permitted variations
1.7 Freedom from defects
1.8 Standard sizes and tolerances
1.9 Condition of material on delivery
1.10 Text deleted
1.11 Text deleted
1.12 Number of hardness tests
1.13 Hardness test
1.14 Retests
1.15 Inspection
1.16 Test facilities
1.17 Manufacturer's statement
1.18 Identification
1.19 Text deleted
2. SPECIFIC REQUIREMENTS FOR STAINLESS AND HEAT RESISTING
STEELS
Text deleted
3. SPECIFIC REQUIREMENTS FOR VALVE STEELS
Appendices
A. Text deleted
B. Summary tables
General requirements: information to be supplied by purchaser, product analysis and permitted variations, condition of material on delivery, hardness testing, etc. En steels replaced. Chemical composition, condition of supply, approval test and heat treatment of individual valve steels. Summary tables.
| Committee |
ISE/105
|
| DevelopmentNote |
Supersedes BS 970(1955) (07/2004)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
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