热轧国标30特工字钢 30T工字钢 新规格30t工字钢 贺航供应

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

36b

360

138

12

15.8

6

83.5

65.6

36c

360

140

14

15.8

6

90.7

71.2

40a

400

142

10.5

16.5

6.3

86.1

67.6

40b

400

144

12.5

16.5

6.3

94.1

73.8

40c

400

146

14.5

16.5

6.3

102

80.1

45a

450

150

11.5

18

6.8

102

80.4

45b

450

152

13.5

18

6.8

111

87.4

45c

450

154

15.5

18

6.8

120

94.5

50a

500

158

12

20

7

119

93.6

50b

500

160

14

20

7

129

101

50c

500

162

16

20

7

139

109

56a

560

166

12.5

21

7.3

135.25

106.2

56b

560

168

14.5

21

7.3

146.45

115

56c

560

170

16.5

21

7.3

157.85

123.9

63a

630

176

13

22

7.5

154.9

121.6

63b

630

178

15

22

7.5

167.5

131.5

63c

630

180

17

22

7.5

180.1

141