Austenitic Stainless Steel Seamless Pipe/Tube

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Austenitic Stainless Steel Seamless Pipe/Tube

TP304L/TP316L/TP321 U bend seamless tubes /ASTM A269/ASTM A213

U bend heat exchanger tube specificatons:

1.Size range: O.D.:6.35-50.8mm, W.T.: 0.7-4.0mm

2.Length: according to client’s requirement

3.Standard: ASTM A213, ASME SA213, ASTM A269

4.Type: Seamless

5.Grade: TP304 Seamless U tube, TP304L Seamless U tube, TP316L seamless U tube, TP316 Seamless U tube, TP321 seamless U tube

6.Finished: Heat treatment and pickled

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Description

Product material

Stainless steel seamless U tubes are widely used in heat exchanger system, it is designed for high temperature and high pressure applications, especially steam condensing or hot oil systems, TOKOTECH can offer different grades of Stainless steel seamless U tubes such as: TP304 Stainless steel seamless U tube, TP304L stainless steel seamless U tube, TP321 stainless steel seamless U tube, TP316L seamless stainless steel U shaped tube,etc.

Applications:

Petrochemical Industry: Used in heat exchanger systems to transfer heat between fluids, including hydrocarbons and corrosive chemicals.

Power Generation: Utilized in power plants, particularly for condensers, superheaters, and reheaters in steam turbines.

Sanitary Heat Exchangers: These tubes are utilized in pharmaceutical and food processing heat exchangers.

Water Treatment Plants: Utilized in heat exchangers and piping systems in water treatment facilities

U bend heat exchanger tube pressure rating for both 304/304L, 316/316L:

Type

O.D.

Ave.W.T.

YS

TS

Max Theoretical Working Pressure

Theoretcial Collapse Pressure

Theoretical Burst Pressure

 

Inch

MM

Inch

MM

KSI

KSI

PSI

PSI

PSI

Seamless

1/4

6.35

0.035

0.89

30

75

6188

6500

18542

Seamless

1/4

6.35

0.049

1.24

30

75

9011

8554

25833

Seamless

1/4

6.35

0.065

1.65

30

75

12659

10599

34375

Seamless

3/8

9.53

0.035

0.89

30

75

4006

4563

12438

Seamless

3/8

9.53

0.049

1.24

30

75

5743

6131

17329

Seamless

3/8

9.53

0.065

1.65

30

75

7908

7806

23059

Seamless

1/2

12.7

0.035

0.89

30

75

2965

3512

9365

Seamless

1/2

12.7

0.049

1.24

30

75

4218

4765

13048

Seamless

1/2

12.7

0.065

1.65

30

75

5754

6141

17362

Seamless

1/2

12.7

0.083

2.11

30

75

7574

7566

22202

Seamless

3/4

19.05

0.035

0.89

30

75

1949

2401

6264

Seamless

3/4

19.05

0.049

1.24

30

75

2753

3288

8728

Seamless

3/4

19.05

0.065

1.65

30

75

3723

4286

11614

Seamless

3/4

19.05

0.083

2.11

30

75

4851

5352

14851

Seamless

 

13

0.035

0.89

30

75

2893

3437

9151

Seamless

 

13

 

1

30

75

3272

3831

10282

Seamless

 

13

0.049

1.24

30

75

4114

4666

12749

Seamless

 

13

0.065

1.65

30

75

5610

6018

16965

Seamless

 

13

0.083

2.11

30

75

7378

7423

21695

Seamless

 

15.8

0.035

0.89

30

75

2363

2865

7542

Seamless

 

15.8

 

1

30

75

2669

3198

8475

Seamless

 

15.8

0.049

1.24

30

75

3348

3909

10508

Seamless

 

15.8

0.065

1.65

30

75

4544

5072

13983

Seamless

 

15.8

0.083

2.11

30

75

5945

6300

17881

Seamless

 

16

0.035

0.89

30

75

2333

2832

7449

Seamless

 

16

 

1

30

75

2635

3161

8370

Seamless

 

16

0.049

1.24

30

75

3304

3864

10378

Seamless

 

16

0.065

1.65

30

75

4484

5015

13810

Seamless

 

16

0.083

2.11

30

75

5863

6232

17660

Seamless

 

17

0.035

0.89

30

75

2191

2674

7014

Seamless

 

17

 

1

30

75

2474

2987

7881

Seamless

 

17

0.049

1.24

30

75

3101

3654

9772

Seamless

 

17

0.065

1.65

30

75

4202

4750

13004

Seamless

 

17

0.083

2.11

30

75

5488

5914

16629

Seamless

 

18

0.035

0.89

30

75

2066

2534

6627

Seamless

 

18

 

1

30

75

2332

2831

7446

Seamless

 

18

0.049

1.24

30

75

2921

3466

9233

Seamless

 

18

0.065

1.65

30

75

3954

4512

12286

Seamless

 

18

0.083

2.11

30

75

5157

5626

15712

Seamless

 

20

0.035

0.89

30

75

1854

2292

5969

Seamless

 

20

 

1

30

75

2092

2563

6706

Seamless

 

20

0.049

1.24

30

75

2617

3142

8316

Seamless

 

20

0.065

1.65

30

75

3537

4100

11066

Seamless

 

20

0.083

2.11

30

75

4603

5126

14151

Seamless

 

21.3

0.035

0.89

30

75

1738

2159

5607

Seamless

 

21.3

 

1

30

75

1960

2414

6300

Seamless

 

21.3

0.049

1.24

30

75

2451

2962

7811

Seamless

 

21.3

0.065

1.65

30

75

3310

3870

10394

Seamless

 

21.3

0.083

2.11

30

75

4303

4846

13292

Seamless

1

25.4

0.035

0.89

30

75

1452

1823

4706

Seamless

1

25.4

 

1

30

75

1637

2041

5288

Seamless

1

25.4

0.049

1.24

30

75

2043

2508

6557

Seamless

1

25.4

0.065

1.65

30

75

2752

3287

8725

Seamless

1

25.4

0.083

2.11

30

75

3568

4131

11157 

U bend heat exchanger tube chemical composition:

Grade

CHEMICAL COMPOSITION(%)

 

 

 

 

 

 

 

 

 

 

Mechanical Properties

 

C

Mn

P

S

Si

Cr

Ni

Mo

N

Cu

Ti

TS,Min(Mpa)

YS, Min(Mpa)

Elongation Longitudinal, min%

TP304/S30400

0.08

2.00

0.045

0.03

1.00

18.0-20.0

8.0-11.0

-

-

-

-

515

205

35

TP304L/S30403

0.035

2.00

0.045

0.03

1.00

18.0-20.0

8.0-13.0

-

-

-

-

485

170

35

TP316/S31600

0.08

2.00

0.045

0.03

1.00

16.0-18.0

11.0-14.0

2.0-3.0

-

-

-

515

205

35

TP316L/S31603

0.035

2.00

0.045

0.03

1.00

16.0-18.0

10.0-14.0

2.0-3.0

-

-

-

485

175

35

TP321/S32100

0.08

2.00

0.045

0.03

1.00

17.0-19.0

9.0-12.0

-

0.1

-

5x(C+N)-0.70

≤9.53mm,515;>9.53mm,480

≤9.53mm,205;>9.53mm,170

35

About Us

Shanghai Toko Technology Co.,ltd.

Shanghai Toko Technology Co.,ltd. is professional TP304L/TP316L/TP321 U bend seamless tubes /ASTM A269/ASTM A213 Suppliers and TP304L/TP316L/TP321 U bend seamless tubes /ASTM A269/ASTM A213 Factory, located in Shanghai, China, and has been worked in the field of industrial piping for 11 years. We are committed to manufacturing and exporting stainless steel seamless pipe, stainless steel welded pipes, stainless steel fittings and flanges, nickel alloy products, Titanium seamless and welded tubes, etc. Our factories are all ISO&PED certificated, and the products can be produced in standard ASTM, JIS, DIN, EN, GOST, etc. Our products are widely used in the Oil and Gas, Petrochemical, Sugar Refining, Water Process, Desalination, Geothermal industry etc. We exported to dozens of countries and regions such as USA, Canada, Japan, Germany, France, Korea, Turkey ect.

Our Vision: To be an excellent supplier of global industrial piping system solutions.

Our Mission: To help global industrial pipeline construction with the products made in China.

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