Standard

Size(mm)

Section area

(cm)

Theoretical weight

(kg/meters),

h

b

d

t

r1

10

100

68

4.5

7.6

3.3

14.3

11.2

12.6

126

74

5

8.4

3.5

18.1

14.2

14

140

80

5.5

9.1

3.8

21.5

16.9

16

160

88

6

9.9

4

26.1

20.5

18

180

94

6.5

10.7

4.3

30.6

24.1

20a

200

100

7

11.4

4.5

35.5

27.9

20b

200

102

9

11.4

4.5

39.5

31.1

22a

220

110

7.5

12.3

4.8

42

33

22b

220

112

9.5

12.3

4.8

46.4

36.4

25a

250

116

8

13

5

48.5

38.1

25b

250

118

10

13

5

53.5

42

28a

280

122

8.5

13.7

5.3

55.45

43.4

28b

280

124

10.5

13.7

5.3

61.05

47.9

32a

320

130

9.5

15

5.8

67.05

52.7

32b

320

132

11.5

15

5.8

73.45

57.7

32c

320

134

13.5

15

5.8

79.95

62.8

36a

360

136

10

15.8

6

76.3

59.9