尺  寸

特  性**

公称*尺寸

壁厚

每英尺重量

截面积

X-X轴

Y-Y轴

Ix

Sx

rx

Iy

Sy

ry

ln.

ln.

Lb.

ln.2

ln.4

ln.3

ln.

ln.4

ln.3

ln.

10×6

.5000

1/2

48.85

14.4

181

36.2

3.55

80.8

26.9

2.37

.3750

3/8

37.69

11.1

145

29.0

3.62

65.4

21.8

2.43

.3125

5/16

31.84

9.36

125

25.0

3.65

56.5

18.8

2.46

.2500

1/4

25.82

7.59

103

20.6

3.69

46.9

15.6

2.49

.1875

3/16

19.63

5.77

79.8

16.0

3.72

36.5

12.2

2.51

10×4

.5000

1/2

42.05

12.4

136

27.1

3.31

30.8

15.4

1.58

.3750

3/8

32.58

9.58

110

22.0

3.39

25.5

12.8

1.63

.3125

5/16

27.59

8.11

95.0

19.1

3.43

22.4

11.2

1.66

.2500

1/4

22.42

6.59

79.3

15.9

3.47

18.8

9.39

1.69

.1875

3/16

17.08

5.02

61.7

12.3

3.51

14.8

7.39

1.72

10×2

.3750

3/8

27.48

8.08

75.4

15.1

3.06

4.85

4.85

.775

.3125

5/16

23.34

6.86

66.1

13.2

3.10

4.42

4.42

.802

.2500

1/4

19.02

5.59

55.5

11.1

3.15

3.85

3.85

.830

.1875

3/16

14.53

4.27

43.7

8.74

3.20

3.14

3.14

.858

8×6

.5000

1/2

42.05

12.4

103

25.8

2.89

65.7

21.9

2.31

.3750

3/8

32.58

9.58

83.7

20.9

2.96

53.5

17.8

2.36

.3125

5/16

27.59

8.11

72.4

18.1

2.99

46.4

15.5

2.39

.2500

1/4

22.42

6.59

60.1

15.0

3.02

38.6

12.9

2.42

.1875

3/16

17.08

5.02

46.8

11.7

3.05

30.1

10.0

2.45

8×4

.5000

1/2

35.24

10.4

75.1

18.8

2.69

24.6

12.3

1.54

.3750

3/8

27.48

8.08

61.9

15.5

2.77

20.6

10.3

1.60

.3125

5/16

23.34

6.86

53.9

13.5

2.80

18.1

9.05

1.62

.2500

1/4

19.02

5.59

45.1

11.3

2.84

15.3

7.63

1.65

.1875

3/16

14.53

4.27

35.3

8.83

2.88

12.0

6.02

1.68