技术文章

外径

标准壁厚

重量

允许偏差

薄壁型

重量

允许偏差

钢管外径

保温层厚度

对应套袖

92

2.5

0.675

±0.23

2.0

0.543

±0.2

27 34

30 27

110

100

2.5

0.735

±0.23

2.0

0.591

±0.2

34

31

110

110

2.5

0.811

±0.23

2.0

0.651

±0.2

48

29

121

121

2.5

0.893

±0.23

2.0

0.718

±0.2

57

30

125

125

2.5

0.924

±0.23

2.0

0.742

±0.2

57 60

31 30

133

133

2.5

0.984

±0.23

2.0

0.790

±0.2

57 60

36 34

142

142

3

1.258

±0.25

2.0

0.844

±0.2

76

31

155

150

3

1.330

±0.25

2.0

0.893

±0.2

76

35

165

155

3

1.375

±0.25

2.0

0.923

±0.2

89

31

165

161

3

1.430

±0.25

2.0

0.959

±0.2

89

34

175

165

3

1.466

±0.25

2.0

0.983

±0.2

89

36

175

171

3

1.520

±0.25

2.0

1.019

±0.2

89

39

180

175

3

1.556

±0.25

2.0

1.044

±0.2

108

31

180

180

3

1.601

±0.25

2.0

1.074

±0.2

108  114

33 31

188

188

3

1.674

±0.25

2.0

1.122

±0.2

114

35

200

194

3

1.728

±0.25

2.0

1.158

±0.2

108

41

200

200

3.2

1.899

±0.26

2.2

1.312

±0.21

133

31

211

208

3.2

1.977

±0.26

2.2

1.365

±0.21

133

35

219

211

3.2

2.005

±0.26

2.2

1.385

±0.21

133

31

219

219

3.2

2.083

±0.26

2.2

1.438

±0.21

133

40.8

225

225

3.5

2.338

±0.28

2.5

1.678

±0.23

140 159

40 30

238

230

3.5

2.391

±0.28

2.5

1.715

±0.23

165

30

238

238

3.5

2.475

±0.28

2.5

1.776

±0.23

159

37

245

245

3.5

2.549

±0.28

2.5

1.828

±0.23

159

39

265

250

3.9

2.894

±0.30

2.5

1.866

±0.23

159

43

265

265

3.9

3.071

±0.30

2.5

1.979

±0.23

165

47

285

280

4.4

3.657

±0.32

3.0

2.506

±0.25

165

53

290

285

4.4

3.724

±0.32

3.0

2.551

±0.25

219

30

290

290

4.4

3.790

±0.32

3.0

2.597

±0.25

219

32

302

300

4.4

3.923

±0.32

3.0

2.687

±0.25

219

37

310

305

4.4

3.989

±0.32

3.0

2.732

±0.25

219

40

310

310

4.4

4.055

±0.32

3.0

2.778

±0.25

219

42

327

315

4.9

4.583

±0.35

3.5

3.288

±0.27

219

44

327

325

4.9

4.730

±0.35

3.5

3.394

±0.27

219

49.5

335

327

4.9

4.760

±0.35

3.5

3.415

±0.27

219

50

345

335

4.9

4.878

±0.35

3.5

3.499

±0.27

219

54

345

345

4.9

5.026

±0.35

3.5

3.605

±0.27

273

32

365

355

4.9

5.174

±0.35

3.5

3.710

±0.27

273

37

365

361

5.6

6.002

±0.38

4.0

4.307

±0.3

273

40

385

365

5.6

6.070

±0.38

4.0

4.355

±0.3

273

42

385

381

5.6

6.340

±0.38

4.0

4.548

±0.3

273

40

440

385

5.6

6.408

±0.38

4.0

1.596

±0.3

273

52

440

400

6.3

7.480

±0.57

5.0

5.956

±0.47

325

32

417

407

6.3

7.613

±0.57

5.0

6.062

±0.47

325

35

420

417

6.3

7.803

±0.57

5.0

6.213

±0.47

325

41

439

420

7.0

8.719

±0.63

5.0

6.258

±0.47

325

42

439

433

7.0

8.994

±0.63

5.0

6.454

±0.47

325

49

450

439

7.0

9.120

±0.63

5.0

6.544

±0.47

325

52

450

450

7.0

9.352

±0.63

5.0

6.710

±0.47

377

31

464

464

7.0

9.648

±0.63

5.0

6.922

±0.47

377

31

470

470

7.0

9.775

±0.63

5.0

7.012

±0.47

377

41

500

475

7.0

9.880

±0.63

5.0

7.087

±0.47

377

44

500

485

7.0

10.091

±0.63

5.0

7.238

±0.47

377

40

500

490

7.0

10.197

±0.63

5.0

7.314

±0.47

377

51

500

500

7.8

11.579

±0.69

6.0

7.939

±0.55

377

55

520

520

7.8

12.049

±0.69

6.0

9.301

±0.55

426

41

525

525

7.8

12.166

±0.69

6.0

9.392

±0.55

426

43

535

530

7.8

12.284

±0.69

6.0

9.482

±0.55

426

46

550

535

7.8

12.402

±0.69

6.0

9.572

±0.55

426

48

550

550

8.8

14.363

±0.76

6.5

10.655

±0.58

426

55

568

568

8.8

14.841

±0.76

6.5

11.077

±0.58

478

40

600

580

8.8

15.195

±0.76

6.5

11.243

±0.58

478

44

600

590

8.8

15.425

±0.76

6.5

11.439

±0.58

478

50

630

600

8.8

15.690

±0.76

6.5

11.635

±0.58

478

54

655

622

8.8

16.274

±0.76

6.5

12.066

±0.58

478

65.5

655

630

9.8

18.331

±0.84

8.0

15.077

±0.70

529

42

655

641

9.8

18.656

±0.84

8.0

15.273

±0.70

529

48

655

655

9.8

19.069

±0.84

8.0

15.610

±0.70

529

55

685

685

9.8

19.965

±0.84

8.0

16.334

±0.70

529

70

710

700

9.8

20.695

±0.84

8.0

16.937

±0.70

529

80

733

733

11.1

24.167

±0.93

8.0

17.492

±0.70

630

43

760

740

11.1

24.401

±0.93

8.0

17.661

±0.70

630

47

760

746

11.1

24.602

±0.93

8.0

17.806

±0.70

630

50

760

750

11.1

24.736

±0.93

8.0

17.903

±0.70

630

52

777

760

11.1

25.071

±0.93

8.0

18.144

±0.70

630

57

777

777

11.1

25.640

±0.93

8.0

18.554

±0.70

630

65.5

795

795

11.1

26.212

±0.93

8.0

18.988

±0.70

630

74

830

830

11.1

27.414

±0.93

8.0

19.833

±0.70

720

47

850

850

12

30.328

±1.0

9.0

22.828

±0.77

720

56

885

885

12

31.595

±1.0

9.0

23.77

±0.77

720

73

-

911

12

33.730

±1.0

9.0

25.379

±0.77

820

53

988

988

12

35.232

±1.0

9.0

26.573

±0.77

820

75

1054

1044

14

43.490

±1.15

10

31.185

±0.85

920

48

-

1054

14

43.912

±1.15

10

31.486

±0.85

920

57

1095

1095

14

45.643

±1.15

10

32.732

±0.85

920

77

-

1155

14

48.477

±1.15

10

34.532

±0.85

1020

57

1210

1192

14

49.739

±1.15

10

35.648

±0.85

1020

72

-

1210

14

50.499

±1.15

10

36.191

±0.85

1020

95

-

1380

14

57.677

±1.15

10

41.318

±0.85

1220

70

1430