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BS 5770-3:1981

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Steel strip intended for the manufacture of springs Specification for pre-hardened and tempered carbon steel
Available format(s)

Hardcopy , PDF

Superseded date

15-05-2000

Language(s)

English

Published date

30-01-1981

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Designation system
5 Form of supply
6 Information to be supplied by the purchaser
7 Steelmaking process
8 Chemical composition
9 Mechanical properties
10 Edge conditions
11 Surface finish
12 Dimensional tolerances
13 Freedom from defects
14 Decarburization
15 Non-metallic inclusions
16 Number of tests
17 Hardness test
18 Bend test
19 Retests
20 Test certificates
21 Inspection
22 Packaging and identification
Tables
1 Chemical composition
2 Permitted variations of product analysis from
    specified range of cast analysis
3 Hardness values
4 Bend test requirements
5 Tolerances on thickness
6 Tolerances on width in the rolled round edge
    condition (E4)
7 Tolerances on width in the sheared or slit edge
    condition (E3) and dressed edge condition (E1)
8 Tolerances on length of cut lengths
9 Maximum edge camber
Figures
1 Edge camber
2 Bend test

Defines the requisites for pre-hardened and tempered carbon steel strip for the manufacture of springs. Relates to material from 0.1 mm to 2.65 mm inclusive in thickness and from 2 mm to 450 mm inclusive in width, provided in various levels of hardness, having any one of five edge conditions and any one of four surface finishes. Includes sections on definitions, designation system, steelmaking process, chemical composition, mechanical properties, edge conditions, surface finish, dimensional tolerances, freedom from defects, decarburization, non-metallic inclusions, number of tests, hardness test, bend test, retests, test certificates, inspection, packaging and identification.

Committee
ISE/109
DevelopmentNote
REPLACES BS 1449: 1956
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 1449-1:1983 Steel plate, sheet and strip. Specification for carbon and carbon-manganese plate, sheet and strip

BS 891-1:1962 Method for Rockwell hardness test Testing of metals
BS 427-1:1961 Method for Vickers hardness test Testing of metals

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Hardcopy - English
PDF - English
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