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BS 4449:1988

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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Specification for carbon steel bars for the reinforcement of concrete

Available format(s)

Hardcopy , PDF

Withdrawn date

05-15-1997

Superseded by

BS 4449:1997

Language(s)

English

Published date

05-31-1988

US$257.86
Excluding Tax where applicable

Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Sizes
4 Cross-sectional area and mass
5 Length
6 Steelmaking process
7 Chemical composition
8 Bond classification of deformed bars
9 Routine inspection and testing
10 Mechanical properties
11 Fatigue properties of deformed bar
12 Retests
13 Verification of characteristic strength
14 Marking
Appendices
A Determination of the effective cross-sectional area
    of deformed bars
B Bond classification of deformed bars (bond test)
C Inspection, testing and certification
D Method of test for fatigue properties of deformed
    bars
E Tensile test multiplying factors
F Recommended formulae for calculating projected rib
    areas
G Information to be supplied by the purchaser
Tables
1 Preferred nominal sizes
2 Cross-sectional area and mass
3 Tolerance on mass
4 Chemical composition of steel grades: cast analysis
5 Maximum carbon equivalent values: cast analysis
6 Maximum deviations in chemical composition on
    product analysis
7 Tensile properties
8 Percentage total strain
9 Bend test formers
10 Rebend test formers
11 Acceptability index (k) as a function of the number
    (n) of the test results (for a reliable failure
    rate of 5% (pass = 0.95) at a probability of 90%
    (1-alpha = 0.90))
12 Test stress ranges for nominal bar sizes
Figure
1 Typical mould for bond performance testing

Requirements for weldable steel bars. Covers plain round steel bars in Grade 250 and deformed high yield steel bars in Grade 460.

Committee
ISE/104
DevelopmentNote
REPLACES BS 4461: 1978. BS DRAFT 93/302140. BS DRAFT 96/708658 DC REFERS TO AMD 1
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
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