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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Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by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Superseded date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

Language(s)

English

Published date

12-02-1970

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Superseded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
ISO 683-17:2014 Similar to
EURONORM 90 : 1971 Similar to
ISO 683-15:1992 Similar to
ISO 683-13:1974 Similar to
UNE-CEN/TS 13810-2:2004 Identical

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