Local 281-252-9399
Facsimile    281-252-6299
 
Toll-Free   1-800-850-6299
Email bobbyharman@att.net

Theoretical Bursting Pressures and Weights

Upper Figures – Pressures

Lower Figures – Weight/Foot

O.D.

Wall Thickness

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inches

.016

.020

.028

.035

.049

.065

.083

.095

.109

.120

.134

.156

.188

.250

.313

.375

.500

.750

 

1/16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38,400

48,000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.008

.009

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/8

 

19,200

24,000

39,000

42,000

58,800

 

 

 

 

 

 

 

Working pressures for T304/L and T316/L

3/16

 

.019

.022

.029

.033

.040

 

 

 

 

 

 

 

A269 tubing between -20°F and 100°F.

 

12,800

15,998

22,403

29,498

39,203

51,863

 

 

 

 

 

 

The A.S.M.E. code suggests a safety

 

 

.029

.035

.047

.057

.073

.083

 

 

 

 

 

 

factor of four.

 

 

 

 

 

1/4

 

 

12,000

16,800

21,000

29,400

39,000

49,800

57,000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E.G. 1/4” O.D. x .035 = 5250 P.S.I.

 

 

 

 

 

 

.049

.066

.080

.105

.128

.148

.157

 

 

 

 

For higher temperatures multiply

 

 

 

5/16

 

 

9,600

13,440

16,800

23,520

31,200

39,780

45,750

 

 

 

 

 

 

 

 

 

 

 

 

 

working pressure by:

 

 

 

 

 

 

 

.062

.085

.103

.138

.172

.203

.221

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3/8

 

 

8,003

11,998

14,003

19,598

26,003

33,203

38,003

43,598

48,000

 

 

 

 

 

300°F

500°F

1000°F

 

 

 

7/16

 

 

.075

.103

.127

.170

.215

.258

.284

.309

.326

 

 

T304/L

.828

.744

.665

 

 

 

 

 

6,857

9,600

12,000

16,800

22,285

28,457

32,571

37,371

41,143

 

 

T316/L

.900

.853

.746

 

 

 

 

 

 

.089

.123

.151

.204

.259

.315

.348

.383

.408

 

 

 

 

 

 

 

 

 

 

 

1/2

 

 

6,000

8,400

10,500

14,700

19,500

24,900

28,500

32,700

36,000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.102

.141

.173

.236

.302

.369

.418

.455

.487

 

 

 

 

 

 

 

 

 

 

 

9/16

 

 

5,333

7,467

9,333

13,067

17,333

22,133

25,333

29,066

32,000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.116

.160

.197

.269

.346

.426

.475

.529

.568

 

 

 

 

 

 

 

 

 

 

 

5/8

 

 

4,800

6,720

8,400

11,760

15,600

19,920

22,888

26,160

28,800

32,160

37,440

44,880

 

 

 

 

 

 

 

 

 

 

 

.129

.178

.221

.301

.388

.480

.537

.600

.647

.703

.781

.877

 

 

 

 

 

 

 

 

3/4

 

 

3,998

5,603

6,998

9,803

12,997

16,598

18,998

21,803

24,000

26,800

31,200

37,403

 

 

 

 

 

 

 

 

 

 

 

.155

.215

.267

.366

.475

.591

.664

.746

.807

.882

.990

1.128

 

 

 

 

 

 

 

 

7/8

 

 

3,428

4,800

6,000

8,400

11,145

14,228

16,283

18,683

20,573

22,971

26,745

32,055

 

 

 

 

 

 

 

 

 

 

 

.183

.253

.314

.432

.562

.702

.791

.891

.968

1.061

1.198

1.379

 

 

 

 

 

 

 

 

1

 

 

3,000

4,200

5,250

7,350

9,750

12,450

14,250

16,350

18,000

20,100

23,400

28,050

37,500

 

 

 

 

 

 

 

 

 

 

.209

.290

.360

.497

.649

.812

.918

1.037

1.128

1.239

1.406

1.630

2.003

 

 

 

 

 

 

 

1 1/8

 

 

2,663

3,735

4,665

6,533

8,670

11,070

12,668

14,535

15,998

17,866

20,798

24,930

33,330

 

 

 

 

 

 

 

 

 

 

.236

.328

.407

.563

.736

.923

1.045

1.183

1.288

1.418

1.614

1.881

2.336

 

 

 

 

 

 

 

1 1/4

 

 

2,400

3,360

4,200

5,880

7,800

9,960

11,400

13,080

14,400

16,080

18,720

22,440

30,000

 

 

 

 

 

 

 

 

 

 

.262

.365

.454

.628

.822

1.034

1.172

1.328

1.448

1.597

1.823

2.132

2.670

 

 

 

 

 

 

 

1 3/8

 

 

 

3,053

3,818

5,348

7,087

9,053

10,365

11,888

13,088

14,618

17,018

20,400

27,270

 

 

 

 

 

 

 

 

 

 

 

.402

.501

.694

.909

1.145

1.299

1.473

1.608

1.776

2.031

2.383

3.004

 

 

 

 

 

 

 

1 1/2

 

 

 

2,948

3,503

4,898

6,503

8,303

9,503

10,890

12,000

13,400

15,600

18,698

24,998

 

 

 

 

 

 

 

 

 

 

 

.440

.547

.759

.996

1.256

1.426

1.619

1.769

1.955

2.239

2.634

3.338

 

 

 

 

 

 

 

1 5/8

 

 

 

 

3,230

4,523

6,000

7,662

8,769

10,062

11,077

12,369

14,400

17,354

23,077

 

 

 

 

 

 

 

 

 

 

 

 

.594

.825

1.083

1.367

1.552

1.765

1.929

2.134

2.447

2.885

3.671

 

 

 

 

 

 

 

1 3/4

 

 

 

 

3,000

4,200

5,573

7,118

8,145

9,345

10,283

11,486

13,373

16.028

21,428

 

 

 

 

 

 

 

 

 

 

 

 

.641

.890

1.170

1.478

1.679

1.910

2.160

2.313

2.656

3.136

4.005

 

 

 

 

 

 

 

2

 

 

 

 

2,625

3,675

4,875

6,225

7,125

8,175

9,000

10,050

11,700

14,025

18,750

23,475

28,125

37,500

 

 

 

 

 

 

 

 

.734

1.021

1.343

1.699

1.933

2.201

2.409

2.671

3.072

3.638

4.673

5.639

6.508

8.010

 

 

 

2 1/4

 

 

 

 

2,333

3,270

4,335

5,535

6,330

7,268

8,003

8,933

10,403

12,465

16,665

20,865

24,998

33,330

 

 

 

 

 

 

 

 

.828

1.152

1.517

1.921

2.250

2.556

2.730

3.028

3.489

4.140

5.340

6.475

7.509

9.345

 

 

 

2 1/2

 

 

 

 

2,100

2,940

3,900

4,980

5,700

6,540

7,200

8,040

9,360

11,220

15,000

18,780

22,500

30,000

 

 

 

 

 

 

 

 

 

.921

1.283

1.690

2.143

2.440

2.783

3.050

3.386

3.905

4.642

6.008

7.311

8.511

10.680

 

 

 

2 3/4

 

 

 

 

1,913

2,670

3,548

4,530

5,183

5,948

6,548

7,309

8,513

10,200

13,636

17,070

20,453

27,270

40,913

 

 

 

 

 

1.015

1.413

1.864

2.364

2.699

3.177

3.495

3.744

4.322

5.144

6.675

8.147

9.512

12.015

16.020

3

 

 

 

 

1,748

2,453

3,248

4,148

4,748

5,453

6,000

6,700

7,800

9,353

12,503

15,653

18,750

24,998

37,500

 

 

 

 

 

1.108

1.544

2.037

2.586

2.947

3.393

3.691

4.102

4.739

5.646

7.343

8.982

10.513

13.350

18.020

3 1/4

 

 

 

 

 

 

 

3,000

3,833

4,388

5,033

5,535

6,185

7,200

8,633

11,535

14,445

17,310

23,078

34,613

 

 

 

 

 

 

 

 

2.211

2.805

3.201

3.634

3.975

4.459

5.155

6.148

8.010

9.818

11.514

14.685

20.025

3 1/2

 

 

 

 

 

 

 

2,783

3,555

4,073

4,673

5,145

5,743

6,683

8,018

10,718

13,418

16,073

21,428

32,146

 

 

 

 

 

 

 

 

2.385

3.029

3.455

3.976

4.385

4.817

5.571

6.650

8.678

10.650

12.515

16.020

22.027

3 3/4

 

 

 

 

 

 

 

2,603

3,323

3,803

4,358

4,800

5,360

6,240

7,478

9,998

12,518

15,000

20,003

30,000

 

 

 

 

 

 

 

 

2.558

3.248

3.708

4.235

4.650

5.175

5.988

7.152

9.345

11.490

13.520

17.355

24.030

4

 

 

 

 

 

 

 

2,438

3,113

3,563

4,088

4,500

5,025

5,850

7,013

9,375

11,738

14,063

18,750

28,125

 

 

 

 

 

 

 

 

2.732

3.472

3.962

4.530

4.973

5.533

6.404

7.654

10.010

12.330

14.520

18.690

26.030



The information presented above are typical or average values and are not a guarantee of maximum or minimum values.