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BS 4466: 1989: Preferred and Other Shapes

Shape and total length of bar (L) measured along centre line

20Total length (L) = A
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32Total length (L) = A + h
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33 Total length (L) = A+2h
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34Total length (L) = A + n
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35Total length (L) = A + 2n
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37Total length (L) = A + (B) -½r – d
38Total length (L) = A + B + (C) – r – 2d
BS4466_38
39Total length (L) = A + 0.57B + (C) – 1.57d
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41Total length (L) = A + B + (C)
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42Total length (L) = A + B + C
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43Total length (L) = A +2B+ C + (E)
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45Total length (L) = A + B + (C) – ½r – d
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49Total length (L) = A + B + (C)
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51Total length (L) = A + B – ½R – d
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52Total length (L) = A + B + C + (D) – 1 ½r – 3d
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53Total length (L) = A + B + C + D + (E) – 2r – 4d
BS4466_53
54Total length (L) = A + B + (C) – r – 2d
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55Total length (L) = A + B + C + D + (E) – 2r – 4d
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61Total length (L) =2(A + B) + 12d
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62Total length (L) = A + (C)
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65Total length (L) = A + (C)
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77Total length (L) = 2A + B + 20d
BS4466_77
78Total length (L) = 2A + B + C + 3d
BS4466_78
79Total length (L) = 2A + 3B + 10d
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