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Stainless Steel U Bend Tube

Seamless & Welded.
Can be customized according to drawings
Mainly Grade: 304, 304L, 316L, 321, 310S.
100% Water Pressure Testing/Eddy Current Testing.
Apply: Heat Exchanger, Boiler, Super Heater.
Description

Stainless Steel U Bend Heat Exchanger Tube Specification:

Heat exchanger tubes made of various austenitic stainless steels, duplex stainless steels, nickel alloys for all types of heat exchangers such as seawater coolers, condensers, evaporators, heaters and reheaters.


ASTM A213: Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes.

ASTM A249: Welded Austenitic Steel Boiler, Superheater, Heat Exchanger, and Condenser Tubes.

ASTM A269: Seamless and Welded Austenitic Stainless Steel Tube for General Service.

JIS G 3643: Stainless steel boiler and heat exchanger tubes.

ASTM A789: Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Stainless Steel U Bend Heat Exchanger Tube Chemical Composition:

Grade


UNS
Designation


Composition, %

Carbon

Manganese

Phosphorus

Sulfur

Silicon

Chromium

Nickel

Molybdenum

Other

TP304

S30400

0.08

2.00

0.045

0.030

1.00

18.0–20

8.0–11

. . .

. . .

TP304L

S30403

0.035

2.00

0.045

0.030

1.00

18.0–20

8.0–13

. . .

. . .

TP304H

S30409

0.04–0.10

2.00

0.045

0.030

1.00

18.0–20

8.0–11

. . .

. . .

TP304N

S30451

0.08

2.00

0.045

0.030

1.00

18.0–20

8.0–18

. . .

. . .

TP304LN

S30453

0.035

2.00

0.045

0.030

1.00

18.0–20

8.0–12

. . .

. . .

TP309S

S30908

0.08

2.00

0.045

0.030

1.00

22.0–24

12.0–15

0.75

. . .

TP310S

S31008

0.08

2.00

0.045

0.030

1.00

24.0–26

19.0–22

0.75

. . .

TP310H

S31009

0.04–0.10

2.00

0.045

0.030

1.00

24.0–26

19.0–22

. . .

. . .

TP316

S31600

0.08

2.00

0.045

0.030

1.00

16.0–18

11.0-14

2.00–3.0

. . .

TP316L

S31603

0.035

2.00

0.045

0.030

1.00

16.0–18

10.0–14

2.00–3.0

. . .

TP316H

S31609

0.04–0.10

2.00

0.045

0.030

1.00

16.0–18

11.0–14

2.00–3.0

. . .

TP316Ti

S31635

0.08

2.00

0.045

0.030

0.75

16.0–18

10.0–14

2.00–3.0

. . .

TP317

S31700

0.08

2.00

0.045

0.030

1.00

18.0–20

11.0–14

3.0–4.0

. . .

TP317L

S31703

0.035

2.00

0.045

0.030

1.00

18.0–20

11.0–15

3.0–4.0

. . .

TP321

S32100

0.08

2.00

0.045

0.030

1.00

17.0–19

9.0–12

. . .

. . .

TP321H

S32109

0.04–0.10

2.00

0.045

0.030

1.00

17.0–19

9.0–12

. . .

. . .

TP347

S34700

0.08

2.00

0.045

0.030

1.00

17.0–19

9.0–13

. . .

. . .

TP347H

S34709

0.04–0.10

2.00

0.045

0.030

1.00

17.0–19

9.0–13

. . .

. . .

2205

S32205

0.03

2

0.03

0.02

1

22.0–23.0

4.5–6.5

3.0–3.5

 

2507

S32750

0.03

1.2

0.035

0.02

0.8

24.0–26.0

6.0–8.0

3.0–5.0

 


Stainless Steel U Bend Heat Exchanger Tube Description:

Out Diameter(OD):

1/2"-12", DN10-DN200, 12mm-204mm.

Wall Thickness(W.T.):

0.035”, 0.065”, 0.083”, 0.89mm, 1.2mm, 1.65mm, 2.11mm, 2.6mm, BWG, SWG.

Length(L):

Fixed 6 meters, or other Length as Specified.

End:

Plain End.

Delivery Condition:

Annealed and Pickled, Bright Annealed, Polished(400#,600#).

Inspection:

100% PMI, Hydrostatic Test, Eddy Current, Ultrasonic, X-Ray, Penetrant Test.

Mechanical Test:

Tension Test, Flattening Test, Flaring Test, Hardness Test, Impact Test.

Tolerance:

According to the Production Standard.

Packing:

By Bundles, Plywood Cases.

Marking:

YASE PIPELINE, Material Grade, Standard, Specification, Heat No., Lot No.

Mill Test Certificate:

According to EN 10204 3.2

Production Time:

2-30 Days, or up to the quantity.

Shipping:

By Sea, By Air, By Express.

MOQ:

500KGS.

Sample:

Free samples but freight charge paid by customer.

Customized:

Available.


YASE PIPELINE Manufacturing U Bend Heat Exchanger Tube Products:

Seamless Stainless Steel U Bend Heat Exchanger Tube

Welded Stainless Steel U Bend Heat Exchanger Tube

Super heater Stainless Steel U Bend Seamless Tube

Stainless Steel Condenser Tube

Stainless Steel Boiler Tube

Stainless Steel U Bend Tube


Stainless Steel U Bend Heat Exchanger Tube  Mechanical Property:

Grade

Tensile Strength (MPa) min

Yield Strength (MPa) min

Hardness Max

Rockwell (HR B)

Brinell (HB)

304

515

205

92

201

304L

485

170

92

201

304H

515

205

92

201

304N

550

240

95

217

309S

515

205

95

217

310H

515

205

95

217

310S

515

205

95

217

316

515

205

95

217

316L

485

170

95

217

316H

515

205

95

217

316N

550

240

95

217

316Ti

515

205

95

217

317L

515

205

95

217

321

515

205

95

217

347

515

205

92

201

2205

655

485

 

290

2507

800

550

 

310


U Bend Stainless Steel Heat Exchanger Tube Dimension Chart :

Outside Diameter

Birmingham Wire Gauge (BWG)

20

18

16

15

14

13

Inch

Mm

 

 

 

 

 

 

(0.889 Mm)

(1.245 Mm)

(1.651 Mm)

(1.829 Mm)

(2.108 Mm)

(2.413 Mm)

Weight, Kg/M (Average Wall  )

 1/4

0.25

6.35

0.12

0.16

0.19

 1/3

0.313

7.95

0.15

0.21

0.25

0.28

 3/8

0.375

9.525

0.19

0.25

0.31

0.34

0.39

 1/2

0.5

12.7

0.25

0.34

0.45

0.49

0.55

0.61

 5/8

0.625

15.875

0.33

0.45

0.58

0.64

0.71

0.8

 3/4

0.75

19.05

0.4

0.55

0.72

0.77

0.88

0.98

 7/8

0.875

22.225

0.46

0.64

0.83

0.92

1.04

1.18

1

1

25.4

0.54

0.74

0.97

1.06

1.21

1.37

1 1/8

1.125

28.575

0.61

0.83

1.1

1.21

1.37

1.56

1 1/4

1.25

31.75

0.68

0.94

1.23

1.35

1.53

1.76

1 3/8

1.375

34.925

0.74

1.03

1.35

1.49

1.7

1.93

1 1/2

1.5

38.1

0.82

1.13

1.49

1.64

1.87

2.17

1 3/4

1.75

44.45

0.97

1.32

1.74

1.92

2.2

2.5

2

2

50.8

1.52

1.99

2.2

2.53

2.89

2 1/4

2.25

57.15

1.73

2.26

2.48

2.87

3.26

2 3/8

2.375

60.325

1.81

2.38

2.63

3.02

3.44

2 1/2

2.5

63.5

1.91

2.52

2.78

3.18

3.66

2 7/8

2.875

73.025

2.2

2.9

3.2

3.68

4.2

3

3

76.2

2.31

3.04

3.35

3.85

4.39

3 1/2

3.5

88.9

2.69

3.56

3.93

4.51

5.15

4

4

101.6

4.11

4.54

5.21

5.95


ASTM A213 U Bend Heat Exchanger Tube Dimensions Tolerance Chart:


Dimensions
Standard


Out Diameter(mm)

Wall Thickness(%)

Cutting Length(mm)

Size(mm)

Tolerance

Size(mm)

Tolerance

Tolerance

ASTM213

D<25.4

+0.10/-0.10

D<38.1

+20/0

D<50.8

+3.0/0

25.4~38.1

+0.15/-0.15

38.1~50.8

+0.20/-0.20

50.8~63.5

+0.25/-0.25

D≥38.1

+22/0

D≥50.8

+5.0/0

63.5~76.2

+0.30/-0.30

76.2~101.6

+0.38/-0.38

101.6~190.5

+0.38/-0.64

190.5~228.6

+0.38/-1.14


ASTM A249 U Bend Heat Exchanger Tube Dimensions Tolerance Chart:

Tolerances

OD Size

OD Tolerances

Wall Thickness Tolerances

Cut Tolerances

Inches

Inches

Length  Inches

Less than 1

±0.004

± 10%

+1/8–0

1 to 1-1/2

±0.006

Over 1-1/2 to 2

±0.008

Over 2 to 2-1/2

±0.010

+3/16–0

Over 2-1/2 to 3

±0.012

Over 3 to 4

±0.015

Over 4 to 5

0.015

– 0.025


ASTM A789/A790 U Bend Tube Dimensions Tolerance Chart:


Dimensions
Standard


Out Diameter(mm)

Wall Thickness(%)

Cutting Length(mm)

Size(mm)

Tolerance

Tolerance

Tolerance

ASTM A789

D≤12.7

+0.13/-0.13

+15/-15

+3.0/0

12.7~38.1

+10/-10

38.1~88.9

+0.25/-0.25

+5.0/0

88.9~139.7

+0.38/-0.38

139.7~203.2

+0.76/-0.76

ASTM A790

10.29~48.26

+0.40/-0.80

+15/-15

+3.0/0

48.26~114.3

+0.80/-0.80

+10/-10

+5.0/0

114.3~219.08

+1.60/-0.80

219.08~457.20

+2.40/-0.80


JIS G 3463 U Bend Seamless Tube Dimensions Tolerance Chart:


Dimensions
Standard


Out Diameter Tolerance (mm)

Wall Thickness Tolerance

Cutting Length(mm)

Out Diameter

Tolerance

Tolerance

JIS G 3463


O.D. <   60mm ± 0.25mm  
  60mm ≦ O.D. <   80mm ± 0.30mm  
  80mm ≦ O.D. < 100mm ± 0.40mm  
100mm ≦ O.D. <  120mm + 0.40mm ‧ -0.60mm
120mm ≦ O.D. <  160mm + 0.40mm ‧ -0.80mm
160mm ≦ O.D. < 200mm + 0.40mm ‧ -1.20mm
200mm ≦ O.D.    + 0.40mm ‧ -1.60mm


O.D. < 40mm


t < 2mm
 + 0.4mm
- 0 mm



O.D. ≦ 50mm
 + 7.0mm
 - 0mm


O.D. > 50mm
 + 10mm
- 0mm


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