I BEAMS(CHINESE STANDARD)

MATERIAL:Q235/SS400/ST37-2 and Q345/ST52

Item

Size /mm

Theoretical Weight

h

b

d

kg/m

10

100

68

4.5

11.261

12

120

74

5

13.987

14

140

80

5.5

16.89

16

160

88

6

20.513

18

180

94

6.5

24.143

20a

200

100

7

27.929

20b

200

102

9

31.069

22a

220

110

7.5

33.07

22b

220

112

9.5

36.524

25a

250

116

8

38.105

25b

250

118

10

42.03

28a

280

122

8.5

43.492

28b

280

124

10.5

47.888

30a

300

126

9

48.084

30b

300

128

11

52.794

30c

300

130

13

57.504

32a

320

130

9.5

52.777

32b

320

132

11.5

57.741

32c

320

134

13.5

62.765

36a

360

136

10

60.037

36b

360

138

12

65.689

36c

360

140

14

71.341

40a

400

142

10.5

67.598

40b

400

144

12.5

73.878

40c

400

146

14.5

80.158

45a

450

150

11.5

80.42

45b

450

152

13.5

87.485

45c

450

154

15.5

94.55

50a

500

158

12

93.654

50b

500

160

14

101.504

50c

500

162

16

109.354

56a

560

166

12.5

106.316

56b

560

168

14.5

115.108

56c

560

170

16.5

123.9

63a

630

176

13

121.407

63b

630

178

15

131.298

63c

630

180

17

141.189