BS 4449:1997

Committees responsible
Foreword
Specification
1 Scope
2 References
3 Definitions
4 Sizes
5 Cross sectional area and mass
6 Length
7 Steelmaking process
8 Chemical composition
9 Bond classification of deformed bars
10 Routine inspection and testing
11 Mechanical properties
12 Fatigue properties of deformed bars
13 Retests
14 Verification of mechanical properties
15 Product identification
Annexes
A Information to be supplied by the purchaser
B Determination of the effective cross sectional area of
    deformed bars
C Recommended formulae for calculating projected rib area
D Bond classification of deformed bars (bond test)
E Inspection, testing and certification
F Method of test for fatigue properties of deformed bars
G Multiplying factors for tensile tests
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
E.1 Percentage total strain
E.2 Rebend test formers
E.3 Acceptability index k as a function of the number of
    test results n (for a reliable failure rate of 5%
    (pass = 0.95) at a probability of 90% (1 - a = 0.90)
F.1 Test stress ranges for nominal bar sizes
Figures
1 Example of rib pattern of grade 460A with four transverse
    rib series
2 Example of rib pattern of grade 460B with four transverse
    rib series
D.1 Typical mould for bond performance testing