螺纹中径对照表Word文档下载推荐.docx

螺纹中径对照表Word文档下载推荐.docx

《螺纹中径对照表Word文档下载推荐.docx》由会员分享，可在线阅读，更多相关《螺纹中径对照表Word文档下载推荐.docx（16页珍藏版）》请在冰豆网上搜索。

25.026

24.376

M27*1.5

27

26.026

25.376

M30*1.5

30

29.026

28.376

M33*1.5

33

32.026

31.376

M36&

1.5

36

35.026

34.376

M39*1.5

39

38.026

37.376

M42*1.5

42

41.026

40.376

M27*2

25.701

24.835

0,+0.280

0,+0.475

-0.038,-0.208

-0.038,-0.318

M30*2

28.701

27.835

M33*2

31.701

30.835

M36*2

34.701

33.835

M39*2

37.701

36.835

M42*2

40.701

39.835

M45*2

45

43.701

42.835

M52*2

52

50.701

49.835

-0.038,-0.218

M60*2

60

58.701

57.835

M64*2

64

62.701

61.835

M72*2

72

70.701

69.835

美制NPSM螺纹（美国标准ANSIB1.20.1机械连接用直管螺纹60度）

标号

螺纹代号

外螺纹（2A级）

内螺纹（2B级）

最大值

最小值

02

1/8-27NPSM

10.084

9.906

9.462

9.370

9.093

9.246

9.489

9.609

04

1/4-18NPSM

13.360

13.132

12.454

12.342

11.887

12.217

12.487

12.634

06

3/8-18NPSM

16.815

16.586

15.890

15.776

15.316

15.545

15.926

16.076

08

1/2-14NPSM

20.904

20.650

19.733

19.604

18.974

19.279

19.771

19.942

3/4-14NPSM

26.264

26.010

25.077

24.943

24.333

24.638

25.118

25.293

1-11.5NPSM

32.842

32.537

31.417

31.270

30.505

30.759

31.460

31.653

1.1/4-11.5NPSM

41.605

41.300

40.173

40.020

39.268

39.497

40.218

40.416

24

1.1/2-11.5NPSM

47.676

47.371

46.241

46.086

45.339

45.568

46.286

46.487

32

2-11.5NPSM

59.715

59.411

58.278

58.120

57.379

57.607

58.326

58.532

40

2.1/2-8NPSM

72.161

71.780

70.104

69.916

68.783

69.266

70.160

70.409

48

3-8NPSM

88.062

87.681

86.009

85.816

84.684

85.166

86.068

86.319

NPT布锥管螺纹

螺纹代号

基面上的直径

螺纹长度

端面大径

管端至基面长

有效长度

Z1/8*27

10.242

8.736

4.102

6.703

9.986

Z1/4*18

13.616

11.385

5.786

10.206

13.254

Z3/8*18

17.055

14.797

6.096

10.358

16.674

Z1/2*14

21.223

19.772

18.321

8.128

13.556

20.715

Z3/4*14

26.568

25.117

23.666

8.611

13.861

26.030

Z1*11.5

33.228

31.461

29.694

10.160

17.343

32.593

Z1.1/4*1.5

41.985

38.451

10.668

17.953

41.318

Z1.1/2*11.5

48.054

46.287

44.520

18.377

47.387

Z2*11.5

60.092

58.325

56.558

11.074

19.215

59.400

Z2.1/2*8

72.699

70.159

67.619

17.323

28.892

71.616

Z3*8

88.608

83.528

19.456

30.480

87.392

55度英锥管螺纹

内螺纹

外螺纹

公差等级

A

B

大径公差

G1/8*28

9.728

9.147

8.566

0.170，0

0.282，0

0，-0.170

0，-0.214

G1/4*19

13.157

12.301

11.445

0.125，0

0.445，0

0.-0.125

0，-0.250

G3/8*19

16.662

15.806

14.950

0，-0.125

G1/2*14

20.955

19.793

18.631

0.142，0

0.541，0

0，-0.142

0，-0.284

G5/8*14

22.911

21.749

20.587

G3/4*14

26.441

25.279

24.117

G1*11

33.249

31.770

30.291

0.180，0

0.640，0

0，-0.180

0，-0.360

G1.1/4*11

41.910

40.431

38.952

G1.1/2*11

47.803

46.324

44.845

G2*11

59.614

58.135

56.656

G2.1/2*11

75.184

73.705

72.226

0.217，0

0，-0.217

0，-0.434

G3*11

87.884

86.405

84.926

基准长度

有效螺纹长度

圆锥内螺纹基面轴向位移的极限偏差

基本

最大

最小

R1/8*28

4

4.9

3.1

6.5

7.4

5.6

1.1

9.478

R1/4*19

6

7.3

4.7

9.7

11

8.4

1.7

12.782

R3/8*19

6.4

7.7

5.1

10.1

11.4

8.8

16.262

R1/2*14

8.2

13.2

15

2.3

20.443

R3/4*14

9.5

11.3

14.5

16.3

12.7

25.847

R1*11

10.4

8.1

16.8

19.1

2.9

32.599

R1.1/4*11

21.4

41.116

R1.1/2*11

47.009

R2*11

15.9

18.2

13.6

23.4

25.7

21.1

58.620

R2.1/2*11

17.5

21

26.7

30.2

23.2

3.5

74.090

R3*11

20.6

24.1

17.1

29.8

33.3

26.3

86.597

美制螺纹

公差等级2A

公差等级2B

JIC螺纹

5/16×

24UNF

7.910

7.727

7.221

7.127

6.650

6.782

7.036

7.249

7.371

7.938

03

3/8*24UNF

9.497

9.314

8.809

8.712

8.237

8.382

8.636

8.837

8.961

9.525

7/16*20UNF

11.079

10.874

10.254

10.147

9.568

10.033

10.287

10.424

11.113

05

1/2*20UNF

12.667

12.461

11.841

11.732

11.156

11.328

11.608

11.875

12.017

9/16*18UNF

14.252

14.031

13.335

13.221

12.573

12.751

13.081

13.371

13.52

14.288

3/4*16UNF

19.012

18.773

17.981

17.854

17.12

17.678

18.019

18.184

19.05

7/8*14UNF

22.184

21.923

21.006

20.869

20.025

20.269

20.676

21.046

21.224

22.225

1.1/16*12UNF

26.944

26.655

25.57

25.425

24.425

24.689

25.146

25.613

25.801

26.988

1.5/16*12UNF

33.294

33.005

31.92

31.773

30.775

31.039

31.496

31.963

32.154

33.338

1.5/8*12UNF

41.229

40.94

39.855

39.705

38.71

38.989

39.446

39.901

40.094

41.275

1.7/8*12UNF

47.579

47.29

46.205

46.053

45.06

45.796

46.251

46.449

47.625

2.1/2*12UNF

63.452

63.162

62.078

61.92

60.932

61.214

61.671

62.126

62.332

63.5

3812UNF

76.157

75.862

74.778

74.618

73.632

73.914

74.371

74.826

75.034

76.2

18HK

1.1/2*10UNF

38.052

37.724

36.401

36.238

35.029

35.357

35.890

36.449

36.660

38.100

ORFS螺纹

11/16*16UNF

17.427

17.188

16.396

16.274

15.535

15.748

16.104

16.431

16.589

17.463

13/16*16UNF

20.599

20.361

19.568

19.444

18.707

18.923

19.606

19.766

20.638

1*14UNSF

25.357

25.095

24.178

24.036

23.195

23.444

23.825

24.221

24.407

25.4

1.3/16*12UN

30.119

29.83

28.754

28.598

27.6

27.864

28.321

28.788

28.979

30.163

1.7/16*12UN

36.467

36.177

35.093

34.943

33.947

34.214

34.671

35.138

35.331

36.513

1.11/16*12UN

42.817

42.527

41.443

41.29

40.297

40.564

41.021

41.488

41.686

42.863

2*12UN

50.754

50.465

49.38

49.25

48.235

48.514

48.971

49.426

49.627

50.8

SAE螺纹

5/8×

18UNF

15.839

15.618

14.923

14.803

14.161

14.351

14.681

14.958

15.11

15.875

1.1/16*14UNF

26.947

26.683

25.743

25.608

24.74

24.968

25.375

25.783

25.961

26.987

其他美制螺纹

9/16*16UN

14.013

13.101

12.36

12.929

13.256

13.411

7/8*12UN

22.182

21.892

20.808

20.668

19.662

19.939

20.396

20.851

21.034

2.1/4*12UN

57.104

56.815

55.73

55.575

54.585

54.864

55.321

55.776

55.976

57.15

可拆式芯子与套筒连接螺纹

软管编号

R5-04

9/32*32

7.120

6.967