边长

mm

尺寸允许偏差

mm

壁厚

mm

理论

重量

kg/m

截面

面积

cm²

惯性矩

cm⁴

回转半径

cm

截面模数

cm³

扭转常数

A

B

普通

精度

较高

精度

I_X

I_Y

r_x

r_y

W_X

W_Y

I_t,cm⁴

W_t,cm³

50

25

±1.00

±0.50

1.2

1.338

1.705

5.502

1.875

1.796

1.048

2.200

1.500

4.534

2.780

1.5

1.650

2.102

6.653

2.253

1.779

1.035

2.661

1.082

5.519

3.406

30

2.5

2.817

3.589

11.296

5.050

1.774

1.186

4.518

3.366

11.666

6.470

3.0

3.303

4.208

12.827

5.696

1.745

1.163

5.130

3.797

13.401

7.509

4.0

4.198

5.347

15.239

6.682

1.638

1.117

6.095

4.455

16.244

9.320

60

±1.20

±0.60

2.5

3.209

4.089

17.933

5.998

2.094

1.211

5.977

3.998

15.054

7.845

3.0

3.774

4.808

20.496

6.794

2.064

1.188

6.832

4.529

17.335

9.129

4.0

4.826

6.147

24.691

8.045

2.004

1.143

8.230

5.363

21.141

11.400

40

2.5

3.602

4.589

22.069

11.734

2.192

1.599

7.356

5.867

25.045

10.720

3.0

4.245

5.408

25.374

13.436

2.166

1.576

8.458

6.718

29.121

12.549

4.0

5.454

6.947

30.974

16.269

2.111

1.530

10.324

8.134

36.298

15.880

70

50

3.0

5.187

6.603

44.046

26.099

2.581

1.987

12.584

10.439

53.426

18.789

4.0

6.710

8.547

54.663

32.210

2.528

1.941

15.618

12.884

67.613

24.040

5.0

8.129

10.356

63.435

37.179

2.474

1.894

18.124

14.871

79.908

28.767

80

40

±1.40

±0.70

2.5

4.387

5.589

45.103

15.255

2.840

1.652

11.275

7.627

37.467

14.470

3.0

5.187

6.608

52.246

17.552

2.811

1.629

13.061

8.776

43.680

16.989

4.0

6.710

8.547

64.780

21.474

2.752

1.585

16.195

10.737

54.787

21.640

5.0

8.129

10.356

75.080

24.567

2.692

1.540

18.770

12.283

64.110

25.767

60

3.0

6.129

7.808

70.042

44.886

2.995

2.397

17.510

14.962

88.111

26.229

4.0

7.966

10.147

87.905

56.106

2.943

2.351

21.976

18.701

112.583

33.800

5.0

9.699

12.356

103.247

65.634

2.890

2.304

25.811

21.878

134.503

40.767

90

40

±1.50

±0.75

3.0

5.658

7.208

70.487

19.610

3.127

1.649

15.663

9.805

51.193

19.209

4.0

7.338

9.347

87.894

24.077

3.066

1.604

19.532

12.038

64.320

24.520

5.0

8.914

11.356

102.487

27.651

3.004

1.560

22.774

13.825

75.426

29.267

90

50

±1.50

±0.75

3.0

6.129

7.808

81.845

32.735

3.237

2.047

18.187

13.094

76.433

24.429

4.0

7.966

10.147

102.696

40.695

3.181

2.002

22.821

16.278

97.162

31.400

5.0

9.699

12.356

120.57

47.345

3.123

1.957

26.793

18.938

115.436

37.767

60

3.0

6.600

8.408

93.203

49.764

3.329

2.432

20.711

16.588

104.552

29.649

4.0

8.594

10.947

117.499

62.387

3.276

2.387

26.111

20.795

133.852

38.280

5.0

10.484

13.356

138.653

73.218

3.222

2.341

30.811

24.406

160.273

46.267

100

50

±1.60

±0.80

3.0

6.600

8.408

106.451

36.053

3.558

2.070

21.290

14.421

88.311

27.249

4.0

8.594

10.947

134.124

44.938

3.500

2.026

26.824

17.975

112.409

35.080

5.0

10.484

13.365

158.155

52.429

3.441

1.981

31.631

20.971

133.785

42.267

120

60

±1.80

±0.90

3.0

8.013

10.208

189.113

64.398

4.304

2.511

31.518

21.466

156.029

39.909

4.0

10.478

13.347

240.724

81.235

4.246

2.469

40.120

27.078

200.407

51.720

5.0

12.839

16.356

286.941

95.968

4.188

2.422

47.823

31.989

240.869

62.767

6.0

15.097

19.232

327.950

108.716

4.129

2.377

54.658

36.238

277.361

73.037

80

3.0

8.955

14.08

230.189

23.430

4.491

3.289

38.364

30.857

255.128

53.949

4.0

11.734

14.947

294.569

157.281

4.439

3.243

49.094

39.320

330.438

70.280

5.0

14.409

18.356

533.108

187.747

4.385

3.198

58.851

46.936

400.735

85.767

120

80

±1.80

±0.90

6.0

16.981

21.632

405.998

214.977

4.332

3.152

67.666

53.744

465.94

100.397

140

±2.00

±1.00

4.0

12.990

16.547

429.582

180.407

5.095

3.301

61.368

45.101

410.713

82.440

5.0

15.979

20.356

517.023

215.914

5.039

3.256

73.860

53.978

498.815

100.767

6.0

18.865

24.032

596.935

247.905

4.983

3.211

85.276

61.976

580.919

118.157

150

100

±2.40

±1.20

4.0

14.874

18.947

594.585

318.551

5.601

4.100

79.278

63.710

660.613

111.880

5.0

18.334

23.356

719.164

383.988

5.549

4.054

95.888

76.797

806.733

137.267

6.0

21.691

27.632

834.615

444.135

5.495

4.009

111.282

88.827

945.022

161.597

8.0

28.096

35.791

1039.101

549.308

5.388

3.917

138.546

109.861

1197.701

207.046

160

80

4.0

14.246

18.147

597.691

203.532

5.738

3.348

74.711

50.883

493.129

94.600

5.0

17.549

22.356

727.65

244.08

5.681

3.304

90.206

61.020

599.475

115.767

6.0

20.749

26.432

835.936

280.833

5.623

3.259

104.492

70.208

698.884

135.917

8.0

26.840

34.191

1036.485

343.599

5.505

3.170

129.56

85.899

876.599

173.126

180

100

±2.60

±1.30

4.0

16.758

21.347

926.02

373.879

6.586

4.184

102.891

74.775

852.708

134.92

5.0

20.689

26.356

1124.158

451.738

6.530

4.140

124.904

90.347

1042.589

165.767

6.0

24.517

31.232

1809.531

523.767

6.475

4.095

145.503

104.753

1222.933

195.437

8.0

31.864

40.591

1643.140

651.132

6.362

4.005

182.572

130.226

1554.608

251.206

200

100

±2.6

±1.3

4.0

18.0

23.0

1200

411

7.23

4.23

120

82.6

984.15

150.28

200

100

4.0

20.1

25.67

1330

455

7.20

4.21

133

90.9

200

100

5.0

22.1

28.1

1438

492

7.14

4.17

144

98.3

1203.93

184.77

200

100

6.0

26.4

33.63

1700

577

7.12

4.14

170

115

1412.97

2t8

200

100

6.3

27.4

34.9

1739

591

7.06

4.12

174

118

200

100

8.0

34.0

43.2

2091

705

6.95

4.04

209

141

1798.55

280.65

200

100

9.0

38.2

48.67

2350

782

6.94

4.01

235

156

200

100

10.0

40.6

51.7

2355

795

6.75

3.92

236

159

200

120

4.0

19.3

24.6

1353

618

7.42

5.02

135

103

200

120

5.0

23.7

30.1

1628

742

7.34

4.96

163

124

200

120

6.3

29.3

37.4

1967

898

7.27

4.90

198

150

200

120

8.0

36.5

46.4

2386

1079

7.17

4.82

239

180

200

120

10.0

43.7

55.7

2717

1230

6.98

4.70

272

205

200

150

4.5

23.7

30.17

1760

1130

7.64

6.13

176

151

20(

150

6.0

31.1

39.63

2270

1460

7.56

6.06

227

194

200

150

9.0

45.3

57.67

3170

2020

7.41

5.93

317

270

220

140

4.0

21.8

27.8

1893

948

8.26

5.84

172

135

220

140

5.0

26.8

34.1

2287

1145

8.19

5.79

208

164

220

140

6.3

33.3

42.4

2789

1392

8.11

5.73

254

199

220

140

8.0

41.5

52.8

3389

1685

8.01

5.65

308

241

220

140

10.0

50.0

63.7

3910

1945

7.83

5.53

355

278

250

150

5.0

29.9

38.1

3270

1496

9.26

626

262

199

250

150

6.0

35.8

45.63

3890

1770

9.23

6.23

311

236

250

150

6.3

37.3

47.4

4001

1825

9.18

6.20

320

243

250

150

8.0

46.5

59.2

4886

2219

9.08

6.12

391

296

250

150

9.0

52.3

66.67

5480

2470

9.06

6.09

438

330

250

150

±2.60

±1.30

10.0

56.3

71.7

5687

2584

8.91

6.00

455

345

6098

661

250

150

12.0

67.9

86.53

6850

3070

8.90

5.95

548

409

250

150

12.5

68.3

87.0

6633

3002

8.73

5.87

531

400

260

180

5.0

33.1

42.1

4085

2332

9.85

7.44

314

259

260

180

6.3

41.2

52.5

5013

2856

9.77

7.38

386

317

260

180

8.0

51.5

65.6

6145

3493

9.68

7.30

473

388

260

180

±3.20

±1.60

10.0

62.6

79.7

7214

4102

9.51

7.17

555

456

8832

839

260

180

12.5

76.2

97.0

8482

4812

9.35

7.04

653

535

300

200

5.0

37.8

48.1

6193

3393

11.3

8.33

413

334

300

200

6.0

45.2

57.63

7370

3360

11.3

8.29

491

396

300

200

6.3

47.1

60.1

7624

4104

11.3

8.27

508

410

300

200

8.0

59.1

75.2

9389

5042

11.2

8.19

626

504

300

200

9.0

66.5

84.67

10500

5630

11.2

8.16

702

563

300

200

10.0

72.0

91.7

11110

5969

11.0

8.07

741

591

300

200

±3.60

±1.80

12.0

86.8

110.5

13400

7110

11.0

8.02

890

711

12990

1091

300

200

12.5

88.0

112.0

13180

7060

10.9

7.94

879

706

320

200

6.3

49.1

62.6

8905

4340

11.9

8.33

557

434

320

200

8.0

61.6

78.4

10980

5337

11.8

8.24

686

534

320

200

±3.60

±1.80

10.0

75.1

95.7

13020

6330

11.7

8.13

814

633

14240

1167

320

200

12.5

91.9

117.0

15480

7500

11.5

8.00

967

750

360

200

6.3

53.1

67.6

11850

4813

13.2

8.44

658

481

360

200

8.0

66.6

84.8

14640

5927

13.1

8.35

813

593

360

200

10.0

81.4

104.0

17420

7053

13.0

8.24

967

705

360

200

±4.0

±2.0

12.5

99.7

127.0

20780

8380

12.8

8.12

1154

838

16780

1319

350

150

6.0

45.2

57.63

8910

2390

12.4

6.44

509

319

350

150

9.0

66.5

84.67

12700

3370

12.3

6.31

726

449

350

150

12.0

86.8

110.5

16100

4210

12.1

6.17

921

562