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BS4449 Steel Reinforcement Rebar
BS4449 Steel Reinforcement Rebar

BS4449 Steel Reinforcement Rebar

BS4449 is yet another deformed steel bar standard. It is also differentiated as per European standards. When it comes to manufacturing, the steel bars falling in this standard are also hot rolled, which means that they are also used for general purposes, i.e. in common construction projects.

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    • Commodity name: BS4449 Steel Reinforcement Rebar

    BS4449 is yet another deformed steel bar standard. It is also differentiated as per European standards. When it comes to manufacturing, the steel bars falling in this standard are also hot rolled, which means that they are also used for general purposes, i.e. in common construction projects.

    BS4449 Steel Reinforcement Rebar Description

    BS4449 is yet another deformed steel bar standard. It is also differentiated as per European standards. When it comes to manufacturing, the steel bars falling in this standard are also hot rolled, which means that they are also used for general purposes, i.e. in common construction projects. These deformed bars are also available between 12 mm to 30 mm diameter size. And the common lengths that they are available in are 9 m and 12 m. Such bars are widely used in houses, bridges, roads, especially railways and other civil engineering.

     

    BS 4449:97 British Rebar Specifications
    Rated
    Diameter    		 Nominal Cross Section Area Weight EN To The Ribs (mm) Longitudinal Ribs (mm) Pitch / Step
    mm    		 Ribs Tip Distance
    mm
    Kg / m
         		 Tolerance
    %
         		 Height Width Height Width
    mm m㎡ min. max. min. max. min. max. min. max. min. max. min. max.
    6 28.3 0.222 ± 9 0.3 0.6 0.48 0.72 0.3 0.84 0.48 1.2 3,.0 4.8 1.5 2.3
    8 50.3 0.395 ± 6.5 0.4 0.8 0.64 0.96 0.4 0.84 0.64 1.6 4.0 6.4 2.0 3.1
    10 78.5 0.616 0.5 1.0 0.8 1.2 0.5 0.84 0.8 2.0 5.0 8.0 2.5 3.9
    12 113.1 0.888 ± 4.5 0.6 1.2 0.96 1.44 0.6 0.84 0.96 2.4 6.0 9.6 3.0 4.7
    16 201.1 1.579 0.8 1.6 1.28 1.92 0.8 0.84 1.28 3.2 8.0 12.8 4.0 6.2
    20 314.2 2.466 1.0 2.0 1.6 2.4 1.0 0.84 1.6 4.0 10.0 16.0 5.0 7.8
    25 490.9 3.854 1.25 2.5 2.0 3.0 1.25 0.84 2.0 5.0 12.5 20.0 6.2 9.8
    32 804.2 6.313 1.60 3.2 2.56 3.84 1.60 0.84 2.56 6.4 16.0 25.6 8.0 12.5
    40 1256.6 9.864 2.0 4.0 3.2 4.8 2.0 0.84 3.2 8.0 20.0 32.0 10.0 15.7
    50 1963.5 15.413 2.5 5.0 4.0 6.0 2.5 0.84 4.0 10.0 25.0 40.0 12.5 19.6

     

    BS 4449:97 Steel Rebar Mechanical Properties
    Quality
         		 Akma N / mm2< Akma / Pull Rate N/mm2 Elongation Elasticity Total max. % AGT
    min. min. min. min.
    GR 250 250 Akma x 1.15 22 –
    GR 460 A 460 Akma x 1.05 12 2.5
    GR 460 B 460 Akma x 1.08 14 5

     

    BS 4449:97 Steel Rebar Chemical Properties
    Element GR 250 % max. GR 460 A / B % max. Ribs and Marking Method
    Casting Product Casting Product
    C 0.25 0.27 0.25 0.27
    P 0.060 0.065 0.050 0.055
    S 0.060 0.065 0.050 0.055
    N 0.012 0.013 0.012 0.013
    CE 0.42 0.45 0.51 0.54
                          Mn             Cr+Mo+V              Ni+Cu     
    CE = C + ————- + ——————- + —————–
                          6                       5                        15          

     

    Scope of Application

    Widely used in houses, bridges, roads, especially railways and other civil engineering.

  • BS4449 Steel Reinforcement Rebar - Stock Warehouse

     

     

  • BS4449 Steel Reinforcement Rebar - Product Inspection

     

    Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing
    Inspection Hardness Testing Spectral Detection Mechanical Properties

  • BS4449 Steel Reinforcement Rebar - Product Measurement

     

    Outer Diameter Measurement Outer Diameter Measurement Outer Diameter Measurement Measurement

  • BS4449 Steel Reinforcement Rebar - Product Packaging

     

     

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