Grade T
Table of Minimum Dimensions
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Bar size | R | A |
8 | 16 | 115 |
10 | 20 | 120 |
12 | 24 | 125 |
16 | 32 | 130 |
20 | 70 | 190 |
25 | 87 | 240 |
32 | 112 | 305 |
40 | 140 | 380 |
Bar Dimensions/Weights
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Nominal size (mm) | Cross-sectional area (mm²) | Mass (kg/m) |
50 | 1963.5 | 15.413 |
40 | 1256.6 | 9.864 |
32 | 804.2 | 6.313 |
25 | 490.9 | 3.854 |
20 | 314.2 | 2.466 |
16 | 201.1 | 1.579 |
12 | 113.1 | 0.888 |
10 | 78.5 | 0.616 |
8 | 50.3 | 0.395 |
Radius Bending: Maximum Values Required
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Bar size | 8 | 10.0 | 12 | 16 | 20 | 25 | 32 | 40 |
Radius (m) | 2.75 | 3.5 | 4.25 | 7.5 | 14.0 | 30.0 | 43.0 | 58.0 |
BS4466:1989 Shape Codes
20 Total length (L) = A
32 L = A + h
33 L = A + 2h
34 L = A + n
35 L = A + 2n
37 L = A + (B) – 1/2r – d
38 L = A + B + (C) – r – 2d
39 L = A + 0.57B + (C) – 1.57d
41 L = A + B + (C)
42 L = A + B + C
43 L = A + 2B + C + (E)
45 L = A + B + (C) – ½r – d
49 L = A + B + (C)
51 L = A + B – ½R – d
52 L = A + B + C + (D) – 1 ½r – 3d
53 L = A + B + C + D + (E) – 2r – 4d
54 L = A + B + (C) – r – 2d
55 L = A + B + C + D + (E) – 2r – 4d
61 L = 2(A + B) + 12d
62 L = A + (C)
65 L = A + (C)
77 L = 2A + B + 20d
78 L = 2A + B + C + 3d
79 L = 2A + 3B + 10d
82 L = 2A + 3B + 18d
85 L = A + B + 0.57C + (D) – 1/2r – 2.57d
87 L = C/B π (A-d) (L ≤ 12m)
99 To Be Calculated
All other shapes where standard shapes cannot be used. A dimensional sketch shall be drawn over the dimension columns A to E. Every dimension shall be specified.