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BS 5770-1:1981

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 hot rolled carbon and low alloy steel
Available format(s)

Hardcopy , PDF

Superseded date

15-05-2000

Language(s)

English

Published date

30-01-1981

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 Response to heat treatment
11 Edge conditions
12 Surface finish
13 Dimensional tolerances
14 Freedom from defects
15 Decarburization
16 Non-metallic inclusions
17 Number of tests
18 Hardness test
19 Bend test
20 Retests
21 Test certificates
22 Inspection
23 Packaging and identification
Tables
1 Chemical composition of carbon steels
2 Chemcial composition of alloy steels
3 Permitted variations of product analysis from
    specified range of cast analysis for carbon steels:
    grades 50, 60, 70, 80 and 95
4 Permitted variations of product analysis from
    specified range of cast analysis for alloy steels:
    grades 735M50 and 527M60
5 Hardness values
6 Bend test requirements in the annealed condition
7 Response to heat treatment
8 Tolerances on thickness
9 Tolerances on width in the mill edge and rolled
    square edge conditions (E2 and E6)
10 Tolerances on width in the sheared or slit edge
    condition (E3)
11 Tolerances on length of cut lengths
12 Maximum edge camber
13 Maximum deviations from flatness of cut lengths
Figures
1 Edge camber
2 Flatness of strip
3 Bend test A
4 Bend test B

Specifies requirements for steel strip for springs.

Committee
ISE/109
DevelopmentNote
REPLACES BS 1449: 1956
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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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