Alloy Steel P11 Pipes Supplier and Exporter

ASTM A335 Grade P11 | ASME SA335 P11 | 1.25Cr-0.5Mo | UNS K11597 | High-Temperature Service

ASTM A335 Grade P11 Alloy Steel Pipes

Solitaire Overseas offers all P11 Seamless Pipes to meet the exact industrial standards. We are continuing to work towards enhancing the quality and meeting and exceeding client expectations. All products are supplied as per customer specification, such as ASTM A335 P11 Alloy Steel Pipes. We have an outstanding Customer service team that will ensure that you get the most appropriate product at the most competitive price for your applications.

Table of Contents

What are ASTM A335 P11 Pipes?

ASTM A335 P11 standards is made with seamless design, ferritic alloy steel pipes are intended for use in high-temperature environment applications. Apart from a great degree of mechanical strength and hardness, these pipes offer more resistance to heat, oxidation, and corrosion. Mixed together, chromium and molybdenum comprise the two elements that define their composition. These materials are a great fit for usage in important uses such as the manufacturing of power, petrochemicals, refineries, and the oil and gas sector since they can resist circumstances of great pressure and temperature.

Properties of P11 Grade Pipes

ASTM A335 P11 Material has a very good mechanical property, including tensile strength, elongation and yield strength. The minimum wall thickness of these Alloy Steel A335 P11 Pipes allows them to be used in high-temperature applications. These pipes have chrome content that increases their tensile strength, yield, and hardness, and allows them to be used at higher temperatures. Such a grade is commonly known as high-pressure steel pipes.

We supply pipes of A335 Gr P11, which are of highest quality and performance, as we are a reliable supplier of such pipes which are used in different projects for different industrial applications at Solitaire Overseas.

GradeTensile Strength, MPaYield Strength, MPaElongation, %
P11415 min220 min30 min

Quality Assurance

The quality system helps to monitor and regulate the material to ensure the dimensional accuracy of the finished goods. The test certificates and documents related to the product including product invoice, raw material test reports, lab test reports and others are handed to each client individually for each consignment.

Uses of Alloy Steel P11 Pipes

All types of alloy steel pipe design are made available in order to supply the best quality products to the client base. Pricing of the product is done as per the grade properties specification and processing variations. All the test certificates and necessary documents are packed along with the product.

Material Testing

Before dispatching the Alloy Steel P11 Pipe to the clients we ensure that all the necessary documents are included along with it. We apply all the necessary tests on the products such as hardness test, mechanical testing, chemical analysis test, positive material identification test, flattening tests, macro and micro test, and many more. Relevant information related to the product is imprinted about the job information such as size, lot number, batch code, material, trademark, and many other things. Checkout the detailed guide on a complete guide to Alloy Steel Pipes. 

Depending on the dimension of the product packaging is done individually with hand to ensure that the product does not attain any type of damage at the very last stage of production.

Types of Alloy Steel P11 Pipes

Alloy Steel P11 Pipes

Alloy Steel P11 Pipes

Alloy Steel P11 Seamless Pipes

Alloy Steel P11 Seamless Pipes

Chrome Moly P11 Pipes

Chrome Moly P11 Pipes

Alloy Steel P11 Pipes Specification

SpecificationDetails
StandardASTM A335 / ASME SA335
GradeGrade P11 / UNS K11597 / 1.7338 / 10CrMo5-5
Composition1.25Cr-0.5Mo alloy steel
Pipe TypeSeamless, with welded options subject to project standard confirmation
Size Range1/2" NB to 24" NB, custom sizes available on request
LengthSingle Random, Double Random, Required Length, Cut Length
EndPlain End, Beveled End, Threaded

Alloy Steel P11 Pipes Chemical Properties

GradeCMnSiSPCrMo
P110.05 - 0.150.30 - 0.600.50 - 1.000.025 max0.025 max1.00 - 1.500.44 - 0.65

Weight Chart of Alloy Steel P11 Pipes

Size Chart NPS Pipe Outside Diameter Wall Chart Thickness Pipe inside Diameter Weight Chart per Foot Standard to XXHY Schedule Chart Pipe # Section Modulus Gallon Capacity as Per Linear Foot

1/2

0.84

0.109

0.622

0.85

STD

40

.0407

.0158
   

0.147

0.546

1.09

XHY

80

.0478

.0122
   

0.188

0.464

1.31

  

160

.0528

.0088
   

0.294

0.252

1.72

XXHY

  

.0577

.0026

3/4

1.05

0.113

0.824

1.13

STD

40

.0705

.0277
   

0.154

0.742

1.48

XHY

80

.0853

.0225
   

0.219

0.612

1.95

  

160

.1006

.0153
   

0.308

0.434

2.44

XXHY

  

.1103

.0077

1

1.315

0.133

1.049

1.68

STD

40

.1328

.0449
   

0.179

0.957

2.17

XHY

80

.1606

.0374
   

0.250

0.815

2.85

  

160

.1904

.0271
   

0.358

0.599

3.66

XXHY

  

.2136

.0146

1 1/4

1.66

0.140

1.380

2.27

STD

40

.2346

.0777
   

0.191

1.278

3.00

XHY

80

.2913

.0666
   

0.250

1.160

3.77

  

160

.3421

.0549
   

0.382

0.896

5.22

    

.4110

.0328

1 1/2

1.90

0.145

1.610

2.72

STD

40

.3262

.1058
   

0.200

1.500

3.63

XHY

80

.4118

.0918
   

0.281

1.338

4.86

  

160

.5079

.0730
   

0.400

1.100

6.41

    

.5977

.0494

2

2.375

0.109

2.157

2.64

  

10

.4205

.1898
   

0.154

2.067

3.66

STD

40

.5606

.1743
   

0.218

1.939

5.03

XHY

80

.7309

.1534
   

0.250

1.875

5.68

    

.8045

.1434
   

0.281

1.813

6.29

    

.8666

.1344
   

0.344

1.687

7.47

  

160

.9806

.1161
   

0.436

1.503

9.04

XXHY

  

1.1043

.0922

2 1/2

2.875

0.120

2.635

3.53

  

10

.6870

.2833
   

0.203

2.469

5.80

STD.

40

1.0640

.2487
   

0.216

2.443

6.14

    

1.1169

.2435
   

0.250

2.375

7.02

    

1.2468

.2301
   

0.276

2.323

7.67

XHY

80

1.3386

.2202
   

0.375

2.125

10.02

  

160

1.6371

.1842
   

0.552

1.771

13.71

XXXHY

  

1.9971

.1280

3

3.50

0.120

3.260

4.34

    

1.0411

.4336
   

0.156

3.188

5.58

    

1.3122

.4147
   

0.172

3.156

6.12

    

1.4265

.4064
   

0.188

3.124

6.66

    

1.5342

.3984
   

0.216

3.068

7.58

STD.

40

1.7241

.3840
   

0.250

3.000

8.69

    

1.9372

.3672
   

0.281

2.938

9.67

    

2.1207

.3521
   

0.300

2.900

10.26

XHY

80

2.2253

.3431
   

0.438

2.624

14.34

  

160

2.8774

.2811
   

0.600

2.300

18.6

XXHY

  

3.4243

.2158

3 1/2

4.0

0.120

3.760

4.98

  

10

1.3776

.5768
   

0.226

3.548

9.12

STD.

140

2.3939

.5136
   

0.250

3.500

10.02

    

2.6001

.4998
   

0.281

3.438

11.17

    

2.8562

.4821
   

0.318

3.364

12.52

XHY

80

3.1400

.4617
   

0.636

2..728

22.87

XXHY

  

4.8795

.3085

4

4.5

0.120

4.260

5.62

  

10

1.7612

.7404
   

0.156

4.188

7.24

    

2.2354

.7156
   

0.188

4.124

8.67

    

2.6296

.6942
   

0.203

4.094

9.32

    

2.8173

.6838
   

0.219

4.062

10.02

    

3.0184

.6725
   

0.237

4.026

10.80

STD.

40

3.2145

.6613
   

0.250

4.000

11.36

    

3.3611

.6528
   

0.281

3.938

12.67

  

60

3.7021

.6326
   

0.312

3.876

13.97

    

4.0273

.6126
   

0.337

3.826

15.00

XHY

80

4.2713

.5972
   

0.438

3.624

19.02

  

120

5.1790

.5361
   

0.531

3.438

22.53

  

160

5.8997

.4822
   

0.674

3.152

27.57

XXHY

  

6.7927

.4054

5

5.563

0.188

5.187

10.80

    

4.1161

1.0979
   

0.219

5.125

12.51

    

4.7279

1.0716
   

0.258

5.047

14.63

STD.

40

5.4500

1.0391
   

0.281

5.001

15.87

    

5.8644

1.0204
   

0.312

4.939

17.51

    

6.4074

.99647
   

0.344

4.875

19.19

    

6.9358

.9696
   

0.375

4.813

20.80

XHY

80

7.4300

.9449
   

0.500

4.563

27.06

  

120

9.2534

.8495
   

0.625

4.313

32.99

  

160

10.7976

.7590
   

0.750

4.063

38.59

XXHY

  

12.0954

.6734

6

6.625

0.109

6.407

7.59

  

5

3.5769

1.6748
   

0.134

6.357

9.30

  

10

4.3475

1.6488
   

0.156

6.313

10.79

    

5.0107

1.6260
   

0.188

6.249

12.94

    

5.9351

1.5937
   

0.203

6.219

13.94

    

6.3804

1.5780
   

0.219

6.187

15.00

    

6.8261

1.5620
   

0.250

6.125

17.04

    

7.6905

1.5306
   

0.280

6.065

18.99

STD.

40

8.4958

1.5008
   

0.312

6.001

21.06

    

9.3416

1.4688
   

0.344

5.937

23.10

    

10.111

1.4391
   

0.375

5.875

25.05

    

10.893

1.4082
   

0.432

5.761

28.60

XHY

80

12.224

1.3541
   

0.500

5.625

32.74

    

13.711

1.2909
   

0.562

5.501

36.43

  

120

14.9806

1.2346
   

0.625

5.375

40.09

    

16.1821

1.1787
   

0.719

5.187

45.39

  

160

17.8243

1.0977
   

0.864

4.897

53.21

XXHY

  

20.025

.9784
   

1.000

4.625

60.13

    

21.7719

.8727
   

1.125

4.375

66.14

    

23.1237

.7809

ASTM A335 Alloy Steel P11 Pipe Size Chart

Outside Diameter (OD) mmWall Thickness (WT) mmNominal Pipe Size (inch)Schedule (Sch)Weight (kg/m)
13.721.651/410S0.50
13.722.241/440S0.64
13.723.021/480S0.81
17.151.653/810S0.64
17.152.313/840S0.86
17.153.203/880S1.12
21.342.111/210S1.02
21.342.771/240S1.29
21.343.731/280S1.65
26.672.113/410S1.30
26.672.873/440S1.71
26.673.913/480S2.23
33.402.77110S2.13
33.403.38140S2.54
33.404.55180S3.29
33.406.3511604.30
42.162.771-1/410S2.73
42.163.561-1/440S3.44
42.164.851-1/480S4.53
42.166.351-1/41605.69
48.262.771-1/210S3.16
48.263.681-1/240S4.11
48.265.081-1/280S5.49
60.332.77210S3.99
60.333.91240S5.52
60.335.54280S7.60
60.338.74216011.29
73.033.052-1/210S5.35
73.035.162-1/240S8.77
73.037.012-1/280S11.59
88.903.05310S6.56
88.905.49340S11.47
88.907.62380S15.51
88.9011.13316021.67
101.603.053-1/210S7.53
101.605.743-1/240S13.78
101.608.083-1/280S18.92
114.303.05410S8.50
114.306.02440S16.32
114.308.56480S22.67
114.3013.49416034.05
141.306.55540S22.10
141.309.53580S31.44
141.3015.88516049.87
168.283.46610S14.04
168.287.11640S28.69
168.2810.97680S43.21
168.2814.27612054.75
168.2818.26616068.59
219.088.18840S43.20
219.0812.78880S65.63
219.0818.23812091.30
219.0823.018160112.97

Applications of ASTM A335 P11 Pipes

Widely employed in many different sectors for high-temperature and high-pressure purposes are ASTM A335 P11 pipes:

  • Power Plants: Perfect for boiler components, reheaters, superheaters, and steam lines.
  • Refineries: Applied in systems of high-pressure process pipework and heat exchangers.
  • Petrochemical Industry: fit for managing gasses and corrosive fluids at high temperatures.
  • Oil & Gas Sector: installed in both upstream and downstream pipework where strength and longevity are vital.
  • Automotive & Mechanical Systems: Applied in production of components needing great strength and thermal stress resistance.

Price Chart of Alloy Steel P11 Pipes

Size (Inch)MSL MakeISMT MakeJSL Make
1/2 Inch4,263.704,256.004,272.00
3/4 Inch4,044.104,035.764,050.47
1 Inch3,898.063,885.713,900.41
1.25 Inch3,851.943,846.593,869.29
1.5 Inch3,751.003,743.653,755.35

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Frequently Asked Questions - Alloy Steel P11 Pipes

ASTM A335 P11 pipe is used for high-temperature and high-pressure service in boilers, power plants, refineries, petrochemical plants, steam lines, superheaters and reheaters.

The ASME equivalent of ASTM A335 P11 is ASME SA335 Grade P11, commonly referenced in boiler and pressure vessel code projects.

Sizes range from 1/2" NB to 24" NB in various thicknesses and lengths.

ASTM A335 P11 covers seamless ferritic alloy steel pipe for high-temperature service. If welded alternatives are required, the applicable welded pipe standard should be confirmed separately against the project specification.

Mill test certificates, PMI reports, chemical and mechanical test reports, hydrostatic test records, heat number traceability and third-party inspection documents can be supplied based on order requirements.

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