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点击 Thread Series选择公称螺栓直径。 如果有在螺栓等级表外的型号,请输入其公称尺寸并在 Thread Series中选择User Root Area

对于 TEMA 螺栓, 有效螺栓面积是:

螺栓尺寸
(inches)

螺栓根部面积

(in2)

(cm2)

0

0

0

0.500

0.126

0.8129

0.625

0.202

1.3032

0.750

0.302

1.9484

0.875

0.419

2.7032

1.000

0.551

3.5548

1.125

0.728

4.6968

1.250

0.929

5.9935

1.375

1.155

7.4516

1.500

1.405

9.0645

1.625

1.680

10.8387

1.750

1.980

12.7741

1.875

2.304

14.8645

2.000

2.652

17.1096

2.250

3.423

22.0838

2.500

4.292

27.6903

2.750

5.259

33.9290

3.000

6.324

40.7999

3.250

7.487

48.3031

3.500

8.749

56.4450

3.750

10.108

65.2130

4.000

11.566

74.6192

对于 UNC 螺栓, 有效的螺栓直径是:

螺栓尺寸
(inches)

螺栓根部面积

(in2)

(cm2)

0

0

0

0.500

0.126

0.8129

0.625

0.202

1.3032

0.750

0.302

1.9484

0.875

0.419

2.7032

1.000

0.551

3.5548

1.125

0.693

4.4710

1.250

0.89

5.7419

1.375

1.054

6.8000

1.500

1.294

8.3484

1.625

1.535

9.9032

1.750

1.744

11.2516

1.875

2.041

13.1677

2.000

2.3

14.8387

2.250

3.021

19.4903

2.500

3.716

23.9741

2.750

4.619

29.7999

3.000

5.621

36.2644

3.250

6.721

43.3612

3.500

7.918

51.0838

3.750

9.214

59.4450

4.000

10.608

68.4386

该信息来自 Jawad and Farr, Structural Analysis and Design of Process Equipment, pg 425.