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Shanghai Vastar International Co., Ltd.

Stainless steel pipe, stainless steel tube, stainless steel manufacturer / supplier in China, offering ASTM A688/A688M Welded Austenitic Stainless Steel Feedwater Heater Tubes, Stainless Steel Tube Fitting, Sanitary Stainless Steel Tube and so on.

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ASTM A688/A688M Welded Austenitic Stainless Steel Feedwater Heater Tubes

FOB Price: Get Latest Price
Min. Order: 1 Yard
Port: Shanghai, China
Production Capacity: 50, 000 Tons/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ASTM A688/A688M
  • Material: Stainless Steel
  • Section Shape: Round
  • Transport Package: Wooden Box
  • Origin: China
  • Technique: Cold Drawn
  • Usage: Pipeline Transport, Boiler Pipe, Chemical Industry
  • Trademark: Vastar
  • Specification: OD: 6-50.8mm ( 1/4"-2")
Product Description
ASTM A688 / A688M Welded Austenitic Stainless Steel Feedwater Heater Tubes
Standard: ASTM A688/A688M
Grade: 304, 304L, 316, 316L,XM-29 etc.
Size :   OD :6-50.8mm ( 1/4"-2")    Wall Thickness : 0.4-2.0mm
Application:  Feedwater Heater.

 
Chemical Composition:
Elem-entGradeTP304TP304LTP304LNTP316TP316LTP316LNTP XM-29TP 304NTP 316N-----------
%UNS designationS30400S30403S30453S31600S31603S31653S24000S30451S31651N08367N08926S31254S32654
C, max 0.080.0350.0350.080.0350.0350.0600.080.080.030   
Mn, max 2.002.002.002.002.002.0011.50-14.502.002.002.00   
Ph, max 0.0400.0400.0400.0400.0400.0400.0600.0400.0400.040   
S, max 0.0300.0300.0300.0300.0300.0300.0300.0300.0300.030   
Si,,max 0.750.750.750.750.750.751.000.750.751.00   
Ni 8.00-11.008.00-13.008.00-13.0010.00-14.0010.00-15.0010.00-15.002.25-3.758.00-1.0010.00-14.0023.50-25.50   
Cr 18.00-20.0018.00-20.0018.00-20.0016.00-18.0016.00-18.0016.00-18.0017.00-19.0018.00-20.0016.00-18.0020.00-22.00   
Mo ---------2.00-3.002.00-3.002.00-3.00------2.00-3.006.00-7.00   
N ------0.10-0.16------0.10-0.160.20-0.400.10-0.160.10-0.160.18-0.25   
Cu ---------------------------0.5-1.5   

Size Tolerance:
Tube Leg Length Tolerance
Leg Length, ft (m)Plus Tolerance, in (mm)
<=20 (6)1/8  (3.2)
>20(6), <=30(9)5/32  (4.0)
>30 (9), <=40 (12.2)3/16  (4.8)
 
Squareness of Ends Tolerance
Tube OD, in, (mm)Tolerance, in, (mm)
<=5.8 (15.9)0.010 (0.25)
>5.8 (15.9), <=1 (25.4)0.016 (0.4)

Mechanical Property:
Grade304
316
304L
316L
XM-29304N
316N
304LN
316LN
--- ---   
UNS GRADES30400
S31600
S30403
S31603
S24000S30451
S31651
S30453
S31653
N08367
t<=0.187
N08367
t>0.187
N08926S31254
t<=0.187
S31254
t>0.187
S32654
tensile strength, min ksi (MPa)75 (515)70 (485)100 (690)80 (550)75 (515)100(690)95 (655)94 (650)100 (690)95 (655)120 (825)
Yield strength, min ksi (MPa)30 (205)25 (175)55 (380)35 (240)30 (205)45 (310)45 (310)43(295)45 (310)45 (310)65(450)
Elongation in 2 in. or 50mm, min, %3535353535303035353540



ASTM A688/A688M Welded Austenitic Stainless Steel Feedwater Heater Tubes


ASTM A688/A688M Welded Austenitic Stainless Steel Feedwater Heater Tubes


 
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