BS 4466:1989 Preferred and Other Shapes

01922 710499 steel@midlandrapid.co.uk Online contact form

Rapid turnaround | Collection within 1 hour | 24 hour delivery nationwide | Drawing take off service available

Grade T

grade-t-rebar-diagram

Table of Minimum Dimensions

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

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

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

Grade T

grade-t-rebar-diagram

Table of Minimum Dimensions

Swipe left/right to reveal

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

Swipe left/right to reveal

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

Swipe left/right to reveal

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

shape-code-20

32 L = A + h

shape-code-32

33 L = A + 2h

shape-code-33

34 L = A + n

shape-code-34

35 L = A + 2n

shape-code-35

37 L = A + (B) – 1/2r – d

shape-code-37

38 L = A + B + (C) – r – 2d

shape-code-38

39 L = A + 0.57B + (C) – 1.57d

shape-code-39

41 L = A + B + (C)

shape-code-41

42 L = A + B + C

shape-code-42

43 L = A + 2B + C + (E)

shape-code-43

45 L = A + B + (C) – ½r – d

shape-code-45

49 L = A + B + (C)

shape-code-49

51 L = A + B – ½R – d

shape-code-51

52 L = A + B + C + (D) – 1 ½r – 3d

shape-code-52

53 L = A + B + C + D + (E) – 2r – 4d

shape-code-53

54 L = A + B + (C) – r – 2d

shape-code-54

55 L = A + B + C + D + (E) – 2r – 4d

shape-code-55

61 L = 2(A + B) + 12d

shape-code-61

62 L = A + (C)

shape-code-62

65 L = A + (C)

shape-code-65

77 L = 2A + B + 20d

shape-code-77

78 L = 2A + B + C + 3d

shape-code-78

79 L = 2A + 3B + 10d

shape-code-79

82 L = 2A + 3B + 18d

shape-code-82

85 L = A + B + 0.57C + (D) – 1/2r – 2.57d

shape-code-85

87 L = C/B π (A-d) (L ≤ 12m)

shape-code-87

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.

Contact us today for a rapid response

01922 710499 steel@midlandrapid.co.uk Online contact form

Rapid turnaround | Collection within 1 hour | 24 hour delivery nationwide | Drawing take off service available