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Welded Austenitic Stainless Steel Tube for Tubular Feed Water Heaters 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: ASTM A688

ASTM A688 TP304/304L/304LN , TP316/316L/316LN  <span style="font-family:arial,helvetic

ASTM A688 TP304/304L/304LN , TP316/316L/316LN  Welded Austenitic Stainless Steel Feedwarter Heater Tubes                                    
 


Size range:                                      
O.D.: 4.0-230mm     W.T.:1-30mm      L: according to customer requirement

 

Material and Manufacture:

Tubes are made from Flat-rolled steel by automatic welding process.

Subsequent to welding and prior to final heat treatment, the tubes are cold drawn or cold rolled

          

The tubes are ready for U-bending after annealed, according to customer's drawing and design.

 

Suface Condition:

The tubes are pickled innitric and hydraofluoric acids.

Bright annealing.


Mechanical Requirement 

Grade:                

TP304

TP304L

TP304LN

TP316

TP316L

TP316LN

TP316LN

TPXM-29

TP304N

UNS

S30400

S30403

S30453

S31600

S31603

S31653

S31653

S24000

S30451

C, max

0.08

0.035

0.035

0.080

0.035

0.035

0.035

0.08

0.080

Mn, max

2.00

2.00

2.00

2.00

2.00

2.00

2.00

11.5-14.5

2.00

P, max

0.045

0.045

0.045

0.045

0.045

0.045

0.045

0.060

0.045

S, max

0.030

0.030

0.030

0.030

0.030

0.030

0.030

0.030

0.030

Si, max

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Ni

18.0-20.0

18.0-20.0

18.0-20.0

16.0-18.0

16.0-18.0

16.0-18.0

16.0-18.0

17.0-19.0

18.0-20.0

Cr

8.0-11.0

8.0-13.0

8.0-12.0

11.0-14.0

10.0-14.0

11.0-14.0

11.0-14.0

2.3-3.7

8.0-18.0

Mo

2.00-3.00

2.00-3.00

2.00-3.00

2.00-3.00

Nitrogen

Copper

 

 

 

 


 

Grade:                  TP316N
UNS S31651 N08367 N08926 S31254 S32654
C, max 0.070  0.030  0.020  0.020 
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Company Info

TORICH INTERNATIONAL CO.,LTD [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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