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BS8666 2005
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BS8666 2005

BS8666 Diagrams - Table 1
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BS8666 Diagrams - Table 2
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BS8666 Diagrams - Table 3
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BS8666 Diagrams - Table 4
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BS8666 Diagrams - Table 5
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BS8666 Diagrams - Table 6
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BS8666 Diagrams - Table 7
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BS8666 Diagrams - Table 8
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The values for minimum radius and end projection, r and P respectively, as specified in Table 2, shall apply to all shape codes (see 7.6).

The dimensions in parentheses are the free dimensions. If a shape given in this table is required but a different dimension is to allow for the possible deviations, the shape shall be drawn out and given the shape code 99 and the free dimension shall be indicated in parentheses.

The length of straight between two bends shall be at least 4d, see Figure 6.

Figure 4, Figure 5 and Figure 6 should be used in the interpretation of bending dimensions.

NOTE 1 The length equations for shape codes 14,1 15, 25, 26, 27, 28, 29, 34, 35, 36 and 46 are approximate and where the bend angle is greater than 40° the length should be calculated more accurately allowing for the difference between the specified overall dimensions and the true length measured along the central axis of the bar. When the bending angles approach 90°, it is preferable to specify shape code 99 with a fully dimensioned sketch.

NOTE 2 Five bends or more might be impractical within permitted tolerances.

NOTE 3 For shapes with straight and curved lengths (e.g. shape codes 12,13,22,33 and 47) the largest practical mandrel size for the production of a continuous curve is 400mm. See also Clause 10.

NOTE 4 Stock lengths are available in a limited number of lengths (e.g. 6m, 12m). Dimension A for shape code 01 should be regarded as indicative and used for the purpose of calculating total length. Actual delivery lengths should be by agreement with the supplier. See also the footnote to Table 5.