BS11:1985 STANDARD

SIZE

DIMENSION(mm)

WEIGHT (kg/m)

MATERIAL

LENGTH (m)

HEAD A (mm)

HEIGHT B (mm)

BASE C (mm)

WEB D (mm)

50 'O

52.39

100.01

100.01

10.32

24.833

55Q

 6-12

60 A

57.15

114.3

109.54

11.11

30.618

55Q

 6-12

60 R

57.15

114.3

109.54

11.11

29.822

55Q

 6-12

70 A

60.32

123.82

111.12

12.3

34.807

U71Mn

 12-25

75 A

61.91

128.59

114.3

12.7

37.455

U71Mn

 12-25

75 R

61.91

128.59

122.24

13.1

37.041

U71Mn

 12-25

80 A

63.5

133.35

117.47

13.1

39.761

U71Mn

 12-25

80 R

63.5

133.35

127

13.49

39.674

U71Mn

 12-25

90 A

66.67

142.88

127

13.89

45.099

U71Mn

 12-25

100A

69.85

152.4

133.35

15.08

50.182

U71Mn

 12-25

113A

69.85

158.75

139.7

20

56.398

U71Mn

 12-25