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尺 寸

每英尺

重量

水平端面

特 性

公稱直徑ln.

外徑ln.

內徑ln.

壁厚ln.

A  ln.²

I  ln.⁴

S  ln.³

r  ln.

標準管

1/2

.840

.622

.109

.85

.250

.017

.041

.261

3/4

1.050

.824

.113

1.13

.333

.037

.071

.334

1

1.315

1.049

.133

1.68

.494

.087

.133

.421

1 1/4

1.660

1.380

.140

2.27

.669

.195

.235

.540

1 1/2

1.900

1.610

.145

2.72

.799

.310

.326

.623

2

2.375

2.067

.154

3.65

1.07

.666

.561

.787

2 1/2

2.875

2.469

.203

5.79

1.70

1.53

1.06

.947

3

3.500

3.068

.216

7.58

2.23

3.02

1.72

1.16

3 1/2

4.000

3.548

.226

9.11

2.68

4.79

2.39

1.34

4

4.500

4.026

.237

10.79

3.17

7.23

3.21

1.51

5

5.563

5.047

.258

14.62

4.30

15.2

5.45

1.88

6

6.625

6.065

.280

18.97

5.58

28.1

8.50

2.25

8

8.625

7.981

.322

28.55

8.40

72.5

16.8

2.94

10

10.750

10.020

.365

40.48

11.9

161

29.9

3.67

12

12.750

12.000

.375

49.56

14.6

279

43.8

4.38

1/2

.840

.546

.147

1.09

.320

.020

.048

.250

3/4

1.050

.742

.154

1.47

.433

.045

.085

.321

1

1.315

.957

.179

2.17

.639

.106

.161

.407

1 1/4

1.660

1.278

.191

3.00

.881

.242

.291

.524

1 1/2

1.900

1.500

.200

3.63

1.07

.391

.412

.605

2

2.375

1.939

.218

5.02

1.48

.868

.731

.766

3

3.500

2.900

.300

10.25

3.02

3.89

2.23

1.14

3 1/2

4.000

3.364

.318

12.50

3.68

6.28

3.14

1.31

4

4.500

3.826

.337

14.98

4.41

9.61

4.27

1.48

5

5.563

4.813

.375

20.78

6.11

20.7

7.43

1.84

6

6.625

5.761

.432

28.57

8.40

40.5

12.2

2.19

8

8.625

7.625

.500

43.39

12.8

106

24.5

2.88

10

10.750

9.750

.500

54.74

16.1

212

39.4

3.63

12

12.750

11.750

.500

65.42

19.2

362

56.7

4.33

2

2.375

1.503

.436

9.03

2.66

1.31

1.10

.703

2 1/2

2.875

1.771

.552

13.69

4.03

2.87

2.00

.844

3

3.500

2.300

.600

18.58

5.47

5.99

3.42

1.05

4

4.500

3.152

.674

27.54

8.10

15.3

6.79

1.37

5

5.563

4.063

.750

38.55

11.3

33.6

12.1

1.72

6

6.625

4.897

.864

53.16

15.6

66.3

20.0

2.06

8

8.625

6.875

.875

72.42

21.3

162

37.6

2.76