ASTM A106, API 5L and ASTM A53 Seamless Carbon Steel Pipes - Pressure and Temperature

 ASTM A106, API 5L and ASTM A53 Seamless Carbon Steel Pipes - Pressure and Temperature RatingsPressure (kPa) and temperature (oC) ratings of ASTM A106, API 5L and ASTM A53 Seamless Carbon Steel Pipes - temperatures ranging -29 oC - 450 oC

Maximum Allowable Pressure (kPa)

Nominal Size
(mm)

Schedule no.

Wall Thickness
(mm)

Temperature (oC)

-29 - 38

205

260

350

370

400

4301)

450

Maximum Allowable Stress (kPa)

137800

137800

130221

117130

115752

89570

74412

59943

15

STD

40

2.77

34416

34416

32528

29255

28910

22372

18589

14972

XS

80

3.73

48092

48092

45466

40878

40396

31260

25969

20918

 

160

4.78

62830

62830

59378

53404

52777

40837

33929

27333

XXS

 

7.47

98245

98245

92836

83507

82522

63857

53053

42739

20

STD

40

2.87

28070

28070

26526

23860

23578

18245

15158

12209

XS

80

3.91

39418

39418

37247

33506

33106

25617

21283

17142

 

160

5.56

58152

58152

54955

49429

48843

37799

31398

25293

XXS

 

7.82

83107

83107

78539

70643

69809

54024

44881

36152

25

STD

40

3.38

26251

26251

24804

22310

22048

17060

14173

11417

XS

80

4.55

36283

36283

34285

30862

30474

23584

19595

15785

 

160

6.35

52481

52481

49594

44606

44082

34112

28339

22827

XXS

 

9.09

77030

77030

72793

65476

64704

50070

41595

33506

32

STD

40

3.56

21614

21614

20421

18369

18155

14049

11672

9404

XS

80

4.85

30178

30178

28518

25651

25348

19616

16295

13125

 

160

6.35

40596

40596

38364

34505

34099

26389

21924

17659

XXS

 

9.70

64601

64601

61045

54906

54266

41988

34884

28097

40

STD

40

3.68

19444

19444

18375

16529

16329

12636

10550

8454

XS

80

5.08

27402

27402

25900

23295

23019

17811

14800

11919

 

160

7.14

39738

39738

37599

33816

33416

25858

21483

17308

XXS

 

10.16

58779

58799

55547

49966

49374

38205

31742

25569

50

STD

40

3.91

16378

16378

15468

13925

13759

10645

8847

7124

XS

80

5.54

23653

23653

22351

20105

19871

15378

12774

10287

 

160

8.74

38866

38866

36731

33037

32652

25266

20987

16908

XXS

 

11.07

50793

50793

48003

43173

42670

33017

27429

22096

65

STD

40

5.16

17914

17914

16929

15227

15048

11644

9674

7793

XS

80

7.01

24818

24818

23447

21097

20849

16129

13401

10797

 

160

9.53

34615

34615

32714

29420

29076

22503

18693

15055

XXS

 

14.02

53081

53081

50159

45116

44585

34498

28662

23088

80

STD

40

5.49

15558

15558

14969

13222

13063

10108

8399

6766

XS

80

7.62

21986

21968

20780

18693

18472

14290

11871

9563

 

160

11.13

33079

33079

31253

28111

27780

21497

17859

14386

XXS

 

15.24

46976

46976

44392

39928

39459

30536

25369

20436

100

STD

40

6.02

13187

13187

12464

11210

11079

8571

7124

5739

XS

80

8.56

19058

19058

18010

16198

16012

12388

12094

8289

 

120

11.13

25190

25190

23805

21407

21159

16371

13601

10995

 

160

13.49

31019

31019

29310

26368

26058

20160

16750

13208

XXS

 

17.12

40348

40348

38129

34298

33892

26230

21786

17549

125

STD

40

6.55

11561

11561

10921

9825

9708

7510

6243

5038

XS

80

9.53

17060

17060

16122

14503

14331

11093

9212

7421

 

120

12.70

23130

23130

21855

19657

19430

15034

12492

10059

 

160

15.88

29407

29407

27787

24997

24701

19113

15881

12795

XXS

 

19.05

35897

35897

33926

30516

30158

23337

19388

15620

150

STD

40

7.11

10550

10550

9928

8924

8819

6828

5370

4568

XS

80

10.97

16474

16474

15571

14007

13842

10707

8895

7165

 

120

14.27

21745

21745

20553

18448

18265

14138

11747

9460

XXS

160

18.26

28325

28325

26768

24074

23784

18410

15296

12319

200

 

20

6.35

7138

7138

6745

6063

5994

4637

3852

3100

 

30

7.04

7924

7924

7489

6732

6656

5147

4279

3445

STD

40

8.18

9246

9246

8737

7855

7765

6008

4995

4024

 

60

10.31

11741

11741

11093

9977

9860

7627

6339

5105

XS

80

12.70

14572

14572

13766

12388

12237

9474

7868

6338

 

100

15.09

17452

17452

16488

14834

14655

11341

9426

7593

 

120

18.26

21345

21345

20174

18148

17935

13876

11527

9288

 

140

20.62

24308

24308

22971

20656

20415

15799

13125

10569

XXS

 

22.23

26334

26334

24877

22386

22124

17115

14221

11458

 

160

23.01

27340

27340

25838

23240

22964

17769

14765

11892

250

 

20

6.35

5698

5698

5388

4844

4789

3707

3080

2480

 

30

7.8

7028

7028

6642

5974

5905

4568

3796

3059

STD

40

9.27

8385

8385

7923

7131

7048

5450

4527

3652

XS

60

12.7

11596

11596

10955

9853

9736

7538

6263

5043

 

80

15.09

13863

13863

13098

11781

11644

9012

7483

6028

 

100

18.26

16922

16922

15992

14386

14214

10996

9136

7359

 

120

21.44

20036

20036

18934

17032

16825

13022

10817

8716

XXS

140

25.4

23998

23998

16474

20394

20153

15599

12960

10438

 

160

28.58

27229

27229

25734

23143

22875

17700

14703

11844

300

 

20

6.35

4795

4795

4534

4072

4024

3114

2591

2088

 

30

8.38

6359

6359

6008

5402

5540

4134

3431

2763

STD

 

9.53

7241

7241

6842

6153

6084

4706

3914

3149

 

40

10.31

7854

7854

7421

6676

6601

5015

4244

3417

XS

 

12.70

9722

9722

9191

8268

8165

6318

5250

4230

 

60

14.27

10969

10969

10363

9322

9212

7131

5925

4768

 

80

17.48

13525

13525

12850

11492

11362

8792

7303

5884

 

100

21.44

16736

16736

15819

14227

14062

10879

9040

7283

XXS

120

25.4

20015

20015

18913

17011

16811

13008

10804

8702

 

140

28.58

22682

22682

21435

19278

19051

14744

12244

9866

 

160

33.32

26740

26740

25273

22730

22461

17383

14441

11630

350

 

10

6.35

4361

4361

4120

3707

3665

2831

2356

1895

 

20

7.92

5457

5457

5161

4644

4589

3548

2949

2377

STD

30

9.53

6580

6580

6222

5595

5533

4279

3555

2866

 

40

11.13

7717

7717

7310

6559

6477

5016

4168

3355

XS

 

12.70

8833

8833

8351

7510

7421

5739

4768

3845

 

60

15.09

10541

10541

9963

8964

8861

6855

5691

4589

 

80

19.05

13421

13421

12684

11410

11272

9723

7248

5836

 

100

23.83

16949

16949

16019

14407

14242

11017

9157

7372

 

120

27.79

19933

19933

18837

16943

16743

12960

10762

8675

 

140

31.75

22964

22964

21703

19519

19292

14931

12402

9990

 

160

35.71

26051

26051

24618

22144

21883

16936

14069

11334

400

 

10

6.35

3810

3810

3603

3238

3197

2474

2060

1660

 

20

7.92

4768

4768

4507

4051

4004

3100

2577

2074

STD

30

9.53

5746

5746

5429

4885

4830

3734

3100

2501

XS

40

12.70

7703

7703

7283

6545

6470

5009

4126

3349

 

60

16.66

10176

10176

9618

8654

8550

6614

5498

4430

 

80

21.44

13208

13208

12478

11224

11093

8585

7131

5746

 

100

26.19

16274

16274

15378

13835

13670

10576

8785

7076

 

120

30.96

19409

19409

18341

16481

16302

12616

10480

8440

 

140

36.53

23130

23130

21855

19657

19430

15034

12492

10059

 

160

40.49

25824

25824

24404

21952

21697

16784

13945

11238

450

 

10

6.35

3383

3383

3197

2873

2839

2198

1826

1474

 

20

7.92

4230

4230

3996

3597

3555

2749

2287

1839

STD

 

9.53

5099

5099

4816

4334

4286

3314

2756

2219

XS

30

11.13

5967

5967

5643

5071

5016

3879

3225

2598

   

12.70

6835

6835

6456

5808

5739

4437

3686

2969

 

40

14.27

7696

7696

7276

6545

6463

5002

4155

3349

 

60

19.05

10349

10349

9784

8799

8695

6725

5588

4499

 

80

23.83

13043

13043

12326

11086

10955

8475

7042

5670

 

100

29.36

16219

16219

15323

13787

13622

10542

8757

7055

 

120

34.93

19464

19464

18389

16543

16350

12650

10507

8468

 

140

39.67

22282

22282

21056

18941

18713

11483

12030

9694

 

160

45.24

25638

25638

24225

21793

21531

16660

13842

11155

500

 

10

6.35

3038

3038

2873

2574

2556

1977

1640

1323

STD

20

9.53

4582

4582

4327

3893

3852

2976

2474

1991

XS

30

12.70

6139

6139

5801

5216

5154

3989

3314

2666

 

40

15.09

7317

7317

6911

6215

6146

4754

3948

3183

 

60

20.62

10080

10080

9522

8564

8468

6552

5443

4382

 

80

26.19

12898

12898

12188

10962

10831

8385

6966

5608

 

100

32.54

16171

16171

15287

13746

13580

10514

8730

7035

 

120

38.10

19085

19085

18037

16226

16033

12409

10307

8302

 

140

44.45

22475

22475

21242

19106

18879

14614

12140

9777

 

160

50.01

25450

25450

24094

21675

21421

16577

13766

11093

600

 

10

6.35

2529

2529

2391

2150

2129

1647

1364

1102

STD

20

9.53

3810

3810

3603

3238

3197

2474

2060

1660

XS

 

12.70

5097

5097

4816

4334

4286

3314

2756

2219

 

30

14.27

5739

5739

5423

4878

4823

3734

3100

2494

 

40

17.48

7055

7055

6670

5994

5925

4589

3810

3066

 

60

24.61

10018

10018

9467

8516

8420

6511

5409

4361

 

80

30.96

12691

12691

12002

10783

10659

8254

6856

5519

 

100

38.89

16102

16102

15220

13690

10528

10466

8695

7007

 

120

46.02

19223

19223

18168

16336

16150

12491

10383

8364

 

140

52.37

22048

22048

20835

18741

18520

14331

11906

9591

 

160

59.54

25279

25279

23888

21489

21235

16433

13649

10996

1) Due to possible conversion of carbon to graphite (graphitization) - carbon steel pipes should be avoided for temperatures above 425oC. Instead Alloy steel should be used.

  • 1 Pa = 10-6 N/mm2 = 10-5 bar = 0.1020 kp/m2 = 1.02x10-4 m H2O = 9.869x10-6 atm = 1.45x10-4 psi (lbf/in2)
  • T(oF) = [T(oC)](9/5) + 32

 

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