I빔
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표준단면치수
Standard Sectional
Dimension (mm)

단면적
Sectional Area(㎝²)

단위중량
Unit

Weight
(㎏/m)

단면2차모멘트
Moment of 

Inertia
(㎝⁴)

단면2차변경
Radius of Gyration (㎝)

단면계수
Modulus of Section(㎝³)

HxB

A

W

lx

ly

ix

iy

Zx

Zy

100x75

5

8

7

3.5

16.43

12.9

281

47.3

4.14

1.70

56.2

12.6

125x75

5.5

9.5

9

4.5

20.45

16.1

538

57.5

5.13

1.68

86

15.3

150x75

5.5

9.5

9

4.5

21.83

17.1

819

57.5

6.12

1.62

109

15.3

200x100

7

10

10

5

33.06

26.0

2,170

138

8.11

2.05

217

27.7

250x125

7.5

12.5

12

6

48.79

38.3

5,180

337

10.3

2.63

414

53.9

300x150

10

18.5

19

9.5

83.47

65.5

12,700

886

12.3

3.26

849

118

300x150

11.5

22

23

11.5

97.88

76.8

14,700

1,080

12.2

3.32

978

149

350x150

9

15

13

6.5

74.58

58.5

15,200

708

14.3

3.17

870

93.5

350x150

12

24

25

12.5

111.1

87.2

22,400

1,180

14.2

3.26

1,280

158

400x150

10

18

17

8.5

91.73

72.0

24,100

864

16.2

3.07

1,200

115

400x150

12.5

25

27

13.5

122.1

95.8

31,700

1,240

16.1

3.18

1,580

165

450x175

11

20

19

9.5

116.8

91.7

39,200

1,510

18.3

3.60

1,740

173

400x175

13

26

27

13.5

146.1

115

48,800

2,020

18.3

3.72

2,170

231

600x190

13

25

25

12.5

169.4

133

98,400

2,460

24.1

3.81

3,280

259

600x190

16

35

38

19

224.5

176

13,0000

3,540

24.1

3.97

4,330

373