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TP304L 25.4*2.11mm U Bend Stainless Steel Heat Exchanger Tube

Material: 304L, 1.4306, S30403, 1.4307;

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TP304L 25.4*2.11mm U Bend Stainless Steel Heat Exchanger Tube,

TP304L 25.4*2.11mm U Bend Stainless Steel Heat Exchanger Tube


Heat Exchanger Tube:


Our heat exchanger tube with pickling and annealing surface is very popular in boilers and heat exchangers industry, water heater industry, air-conditioning industry, etc. This kind of seamless tube has a very important position in our all products. 


Heat Exchanger Tube Chemical Composition——Basic Raw Materials:


ASTM/UNS

C   (max)

Si  (max)

Mn (max)

P (max)

S (max)

Cr

Ni

Mo

Ti

TP304/S30400

0.080

1.00

2.00

0.045

0.03

18.0-20.0

8.0-10.5



TP304L/S30403

0.035

1.00

2.00

0.045

0.03

18.0-20.0

8.0-13.0



TP304H/S30409

0.04-0.10

1.00

2.00

0.045

0.03

18.0-20.0

8.0-11.0



TP316/S31600

0.080

1.00

2.00

0.045

0.03

16.0-18.0

11.0-14.0

2.0-3.0


TP316L/S31603

0.035

1.00

2.00

0.045

0.03

16.0-18.0

10.0-14.0

2.0-3.0


TP316Ti/S31635

0.080

1.00

2.00

0.045

0.03

16.0-18.0

10.0-14.0

2.0-3.0

0.7>5x(C+N)

TP321/S32100

0.080

1.00

2.00

0.045

0.03

17.0-19.0

9.0-12.0


0.7>5x(C+N)

TP317L/S31703

0.035

1.00

2.00

0.045

0.03

18.0-20.0

11.0-15.0

3.0-4.0


TP347H/S34709

0.04-0.10

1.00

2.00

0.045

0.03

17.0-19.0

9.0-13.0



TP309S/S30908

0.080

1.00

2.00

0.045

0.03

22.0-24.0

12.0-15.0

0.75


TP310S/S31008

0.080

1.00

2.00

0.045

0.03

24.0-26.0

19.0-22.0

0.75



Heat Exchanger Tube Application:


a) Petroleum, Chemical enterprise, superheater of boiler and heat exchanger

b) High temperature-resistant transmission fluid pipe in power station

c) Ship with pressure pipe

d) Exhaust purification device

e) Construction and ornament

f) solar industry, military, semiconductor, etc


Heat Exchanger Tube Process :


1 . We use Cold Drawn technology to produce U bend tube 
2. U bend tubes produce will accordance to customer's drawings
3 . To avoid oxidation, inert gas (Argon) is passed through tubes ID at the required flow rate
4 . The radius is checked for its OD and wall thinning with the recommended specification
5 . We'll choose three different positions or as customers require to make sure tubes quality. We'll do physical properties and micro-structure test 
6 . Visual inspection for waviness and cracks is done with Dye Penetrant Test
7 . Each tube is then hydro tested at the recommended pressure to check for leakage


IMG_20210225_150113_副本_副本.jpg

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