冷拔异型方形钢管(GB/T 3094—2012)

基本尺寸

截面面积

理论重量^a

惯性矩

截面模数

A

S

F

G

J_x=J_y

W_x=W_y

mm

cm²

kg/m

cm⁴

cm³

12

0.8

0.347

0.273

0.072

0.119

1

0.423

0.332

0.084

0.140

14

1

0.503

0.395

0.139

0.199

1.5

0.711

0.558

0.181

0.259

16

1

0.583

0.458

0.216

0.270

1.5

0.831

0.653

0.286

0.357

18

1

0.663

0.520

0.315

0.351

1.5

0.951

0.747

0.424

0.471

2

1.211

0.951

0.505

0.561

20

1

0.743

0.583

0.442

0.442

1.5

1.071

0.841

0.601

0.601

2

1.371

1.076

0.725

0.725

2.5

1.643

1.290

0.817

0.817

22

1

0.823

0.646

0.599

0.544

1.5

1.191

0.935

0.822

0.748

2

1.531

1.202

1.001

0.910

2.5

1.843

1.447

1.140

1.036

25

1.5

1.371

1.077

1.246

0.997

2

1.771

1.390

1.535

1.228

2.5

2.143

1.682

1.770

1.416

3

2.485

1.951

1.955

1.564

30

2

2.171

1.704

2.797

1.865

3

3.085

2.422

3.670

2.447

3.5

3.500

2.747

3.996

2.664

4

3.885

3.050

4.256

2.837

32

2

2.331

1.830

3.450

2.157

3

3.325

2.611

4.569

2.856

3.5

3.780

2.967

4.999

3.124

4

4.205

3.301

5.351

3344

35

2

2.571

2.018

4.610

2.634

3

3.685

2.893

6.176

3.529

3.5

4.200

3.297

6.799

3.5885

4

4.685

3.678

7.324

4.185

36

2

2.651

2.081

5.148

28.04

3

3.0805

2.987

6.785

3.769

4

4.845

3.804

8.076

4.487

5

5.771

4.530

8.975

4.986

40

2

2.971

3.332

7.075

3.537

3

4.285

3.364

9.622

4.811

4

5.485

4.306

11.60

5.799

5

6.571

5.158

13.06

6.532

42

2

3.131

2.458

8.265

3.936

3

4.525

3.553

11.30

5.380

4

5.805

4.557

13.69

6.519

5

6.971

5.472

15.51

7.385

45

2

3.371

2.646

10.29

4.574

3

4.885

3.835

14.16

6.293

4

6.285

4.934

17.28

7.679

5

7.571

5.943

19.72

8.763

50

2

3.771

2.960

14.36

5.743

3

5.485

4.306

19.94

7.975

4

7.085

5.562

24.56

9.826

5

8.571

6.728

28.32

11.33

55

2

4.171

3.274

19.38

7.046

3

6.085

4.777

27.11

9.857

4

7.885

6.190

33.66

12.24

5

9.571

7.513

39.11

14.22

60

3

6.685

5.248

35.82

11.94

4

8.685

6.818

44.75

17.45

5

10.57

8.298

52.35

19.57

6

12.34

9.688

58.72

14.22

65

3

7.285

5.719

46.22

17.86

4

9.485

7.446

58.05

21.01

5

11.57

9.083

68.29

23.70

6

13.54

10.63

77.03

16.70

70

3

7.885

6.190

58.46

16.70

4

10.29

8.074

73.76

21.08

5

12.57

9.868

87.18

24.91

6

14.74

11.57

98.81

28.23

75

4

11.09

8.702

92.08

24.55

5

13.57

10.65

109.3

29.14

6

15.94

12.51

124.4

33.16

8

19.79

15.54

141.4

37.72

80

4

11.89

9.330

113.2

28.30

5

14.57

11.44

134.8

33.70

6

17.14

13.46

154.0

38.49

8

21.39

16.79

177.2

44.30

90

4

13.49

10.59

164.7

36.59

5

16.57

13.01

197.2

43.82

6

19.54

15.34

226.6

50.35

8

24.59

19.30

265.8

59.06

100

5

18.57

14.58

276.4

55.27

6

21.94

17.22

319.0

63.80

8

27.79

21.82

379.8

75.95

10

33.42

26.24

432.6

86.52

108

5

20.17

15.83

351.1

65.39

6

23.86

18.73

408.9

75.72

8

30.35

23.83

491.4

91.00

10

36.62

28.75

546.3

104.5

120

6

26.74

20.99

573.1

95.51

8

34.19

26.84

696.8

116.1

10

41.42

32.52

807.9

134.7

12

48.13

37.78

897.0

149.5

125

6

27.94

21.93

652.7

104.4

8

35.79

28.10

797.0

127.5

10

43.42

34.09

927.2

148.3

12

50.53

39.67

1033.2

165.3

130

6

29.14

22.88

739.5

113.8

8

37.39

29.35

906.3

139.4

10

45.42

35.66

1057.6

162.7

12

52.93

41.55

1182.5

181.9

140

6

31.54

24.76

935.3

133.6

8

40.59

31.86

1153.9

164.8

10

49.42

38.8.

1354.1

193.4

12

57.73

45.32

1522.8

217.5

150

8

43.79

34.38

1443.0

192.4

10

53.42

41.94

1701.2

226.8

12

62.53

49.09

1922.6

256.3

14

71.11

55.82

2109.2

281.2

160

8

46.99

36.89

1776.7

222.1

10

57.42

45.08

2103.1

262.9

12

67.33

52.86

2386.8

298.4

14

76.71

60.22

2630.1

328.8

180

8

53.39

41.91

2590.7

287.9

10

65.42

41.36

3086.9

343.0

12

76.93

60.39

3527.6

392.0

14

87.91

69.01

3915.3

435.0

200

10

73.42

57.64

4337.6

433.8

12

86.53

67.93

4983.6

498.4

14

99.11

77.80

5562.3

556.2

16

111.2

87.27

6076.4

607.6

250

10

93.42

73.34

8841.9

707.3

12

110.5

86.77

10254.2

820.3

14

127.1

99.78

11556.2

924.5

16

143.2

112.4

12751.4

1020.1

280

10

105.4

82.76

12648.9

903.5

12

124.9

98.07

14726.8

1051.9

14

143.9

113.0

16663.5

1190.2

16

162.4

127.5

18462.8

1318.8

^a当S≤6mm时，R=1.5S，方型钢管理论重量推荐计算公式见式（A.1）；当S＞6mm时，R=2S，方形钢管理论重量推荐计算公式见式（A.2）。

G=0.015 7S(2A-2.858 4S)....................（A.1）

G=0.015 7S(2A-3.287 6S)....................（A.2）

G——矩形钢管的理论重量（钢的密度按7.85kg/dm³），单位为公斤每米（kg/m）；

A——矩形钢管的长、宽，单位为毫米（mm）；

S——矩形钢管的公称壁厚，单位为毫米（mm）。