冷弯等边槽钢的基本尺寸与主要参数(GB/T 6723—2017)

规  格

尺寸/mm

理论

重量

/(kg/m)

截面

面积

/cm²

重心

X₀

/cm

惯性矩/cm⁴

回转半径/cm

截面系数/cm³

H×B×t

H

B

t

I_x

I_y

r_x

r_y

W_x

W_{y max}

W_{y min}

20×10×1.5

20

10

1.5

0.401

0.511

0.324

0.281

0.047

0.741

0.305

0.281

0.146

0.070

20×10×2.0

2.0

0.505

0.643

0.349

0.330

0.058

0.716

0.300

0.330

0.165

0.089

50×30×2.0

50

30

2.0

1.604

2.043

0.922

8.093

1.872

1.990

0.957

3.237

2.029

0.901

50×30×3.0

3.0

2.314

2.947

0.975

11.119

2.632

1.942

0.994

4.447

2.699

1.299

50×50×3.0

50

3.0

3.256

4.147

1.850

17.755

10.834

2.069

1.616

7.102

5.855

3.440

60×30×2.5

60

30

2.5

2.15

2.74

0.883

14.38

2.40

2.31

0.94

4.89

2.71

1.13

80×40×2.5

80

40

2.5

2.94

3.74

1.132

36.70

5.92

3.13

1.26

9.18

5.23

2.06

80×40×3.0

3.0

3.48

4.34

1.109

42.66

6.93

3.10

1.25

10.67

5.98

2.44

100×40×2.5

100

40

2.5

3.33

4.24

1.013

62.07

6.37

3.83

1.23

12.41

6.29

2.13

100×40×3.0

3.0

3.95

5.03

1.039

72.44

7.47

3.80

1.22

14.49

7.19

2.52

100×50×3.0

100

50

3.0

4.433

5.647

1.398

87.275

14.030

3.931

1.576

17.455

10.031

3.896

100×50×4.0

4.0

5.788

7.373

1.448

111.051

18.045

3.880

1.564

22.210

12.458

5.081

120×40×2.5

120

40

2.5

3.72

4.74

0.919

95.92

6.72

4.50

1.19

15.99

7.32

2.18

120×40×3.0

3.0

4.42

5.63

0.944

112.8

7.90

4.47

1.19

18.71

8.37

2.58

140×50×3.0

140

50

3.0

5.36

6.83

1.187

191.53

15.52

5.30

1.51

27.36

13.08

4.07

140×50×3.5

3.5

6.20

7.89

1.211

218.88

17.79

5.27

1.50

31.27

14.69

4.70

140×60×3.0

140

60

3.0

5.846

7.447

1.527

220.977

25.929

5.447

1.865

31.568

16.970

5.798

140×60×4.0

4.0

7.672

9.773

1.575

284.429

33.601

5.394

1.854

40.632

21.324

7.594

140×60×5.0

5.0

9.436

12.021

1.623

343.066

40.823

5.342

1.842

49.009

25.145

9.327

160×60×3.0

160

60

3.0

6.30

8.03

1.432

300.87

26.90

6.12

1.83

37.61

18.79

5.89

160×60×3.5

3.5

7.20

9.29

1.456

344.94

30.92

6.09

1.82

43.12

21.23

6.81

200×80×4.0

200

80

4.0

10.812

13.773

1.966

821.120

83.686

7.721

2.464

82.112

42.564

13.869

200×80×5.0

5.0

13.361

17.021

2.013

1000.710

102.441

7.667

2.453

100.071

50.886

17.111

200×80×6.0

6.0

15.849

20.190

2.060

1170.516

120.388

7.614

2.441

117.051

58.436

20.267

250×130×6.0

250

130

6.0

22.703

29.107

3.630

2876.401

497.071

9.941

4.132

230.112

136.934

53.049

250×130×8.0

8.0

29.755

38.147

3.739

3687.729

642.760

9.832

4.105

295.018

171.907

69.405

300×150×6.0

300

150

6.0

26.915

34.507

4.062

4911.518

782.884

11.930

4.763

327.435

192.734

71.575

300×150×8.0

8.0

35.371

45.347

4.169

6337.148

1017.186

11.822

4.736

422.477

243.988

93.914

300×150×10

10

43.566

55.854

4.277

7660.498

1238.423

11.711

4.708

510.700

289.554

115.492

350×180×8.0

350

180

8.0

42.235

54.147

4.983

10488.540

1771.765

13.918

5.721

599.345

355.562

136.112

350×180×10

10

52.146

66.854

5.092

12749.074

2166.713

13.809

5.693

728.519

425.513

167.858

350×180×12

12

61.799

79.230

5.501

14869.892

2542.823

13.700

5.665

849.708

462.247

203.442

400×200×10

400

200

10

59.166

75.854

5.522

18932.658

3033.575

15.799

6.324

946.633

549.362

209.530

400×200×12

12

70.223

90.030

5.630

22159.727

3569.548

15.689

6.297

1107.986

634.022

248.403

400×200×14

14

80.366

103.033

5.791

24854.034

4051.828

15.531

6.271

1242.702

699.677

285.159

450×220×10

450

220

10

66.186

84.854

5.956

26844.416

4103.714

17.787

6.954

1193.085

689.005

255.779

450×220×12

12

78.647

100.830

6.063

31506.135

4838.741

17.676

6.927

1400.273

798.077

303.617

450×220×14

14

90.194

115.633

6.219

35494.843

5510.415

17.520

6.903

1577.549

886.061

349.180

500×250×12

500

250

12

88.943

114.030

6.876

44593.265

7137.673

19.775

7.912

1783.731

1038.056

393.824

500×250×14

14

102.206

131.033

7.032

50455.689

8152.938

19.623

7.888

2018.228

1159.405

453.748

550×280×12

550

280

12

99.239

127.230

7.691

60862.568

10068.396

21.872

8.896

2213.184

1309.114

495.760

550×280×14

14

114.218

146.433

7.846

69095.642

11527.579

21.722

8.873

2512.569

1469.230

571.975

600×300×14

600

300

14

124.046

159.033

8.276

89412.972

14364.512

23.711

9.504

2980.432

1735.683

661.228

600×300×16

16

140.624

180.287

8.392

100367.430

16191.032

23.595

9.477

3345.581

1929.341

749.307