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Welding Austenitic Stainless Steel Pipe , U Bend Pipe Precision TIG Welding

Categories Stainless Steel Heat Exchanger Tube
Brand Name: SPEZILLA
Model Number: ASME SA688
Certification: ISO9001:2008
Place of Origin: CHINA
MOQ: Negotiation
Price: Negotiation
Payment Terms: T/T, L/C
Supply Ability: 100 TONS / MONTH
Delivery Time: WITHIN 30 DAYS
Packaging Details: WOODEN BOXED
Product Name: Stainless Steel U Tube
ASME Spec: ASME SA688
Finish: Bright Annealed
Type: Welded
Material Grade: TP304, TP304L
O.D.: 1/2'' - 1''
W.T.: 0.035'' - 0.120''
Package: Wooden Boxed
Application: Heat Exchanger
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    Welding Austenitic Stainless Steel Pipe , U Bend Pipe Precision TIG Welding

    Welding Austenitic Stainless Steel Tube U Bend Pipe For Feed Water Heater


    Description:


    Spezilla is profession on manufacturing welded stainless steel U bend tubes for feedwater heaters from 1/2'' (12.70mm) to 1'' (25.4mm).


    Materials Specifications:


    Austenitic Stainless Steel: TP304, TP304L, TP316L, TP321 etc.


    Duplex Stainless Steel: UNS31803, 2205


    Ferriticc Stainless Steel: TP409L, TP439, TP430 etc.


    Specifications of Stainless Steel U Bend Tube:


    U Bend Tubes produced to dimensional tolerances and finish requirements of ASTM and ASME A 249/SA 249, A 688/SA 688, and A 803/SA 803 specifications.


    Manufacturing Process:


    1. TIG Welding, Fully-Finished Tubing Mill


    2. Drawing for High Pressure Feedwater Heaters


    3. Stretch Straightener


    4. Environmentally Friendly Bright Annealing


    5. CNC Bending


    6. Precision Stress Relief Anneal Station


    7. Custom Stack-Rack Boxing


    Quality Testing:


    Spezilla performs extensive in-line QA testing including:


    1. Eddy Current


    2. Ultrasonic


    3. Hydrostatic


    4. Pressure Decay


    5. Air Under Water After Bending


    Size of Stainless Steel U Bend Tube:

    ASME SA688, ASTM A688
    Wall Thickness
    OD.035" (.889 mm).049" (1.245 mm).065" (1.651 mm).083" (2.108 mm).095" (2.413 mm).120" (3.048 mm)
    1/2"
    (12.7 mm)
    R/SR/SR/S
    5/8"
    (15.875 mm)
    R/SR/S
    3/4"
    (19.05 mm)
    R/S
    1"
    (25.4 mm)
    R = Redrawn S = Seamless
    Depending upon bend radius, some inner tube rows may require an increase in wall thickness

    Tolerance of Stainless Steel U Bend Tube:


    SizesStandard Tolerances
    ProductsODWallLengths and/or coilsGradesODWallLengths
    Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes

    Specifications: ASTM-A249, ASME-SA249, ASTM-A688, ASME-SA688

    Metric sizes available0.020" (0.51 mm) to 0.220" (5.59 mm)Random or cut lengths up to 90' (27.4 m) Coils to 1-1/2" OD304/304L/
    304LN/304H
    Under 1" (25.4 mm) ±0.004" (0.10 mm) 1" (25.4 mm) to
    1-1/2" (38.1 mm) ±0.006" (0.15 mm)
    >1-1/2" (38.1 mm) to 2" (50.8 mm) ±0.008" (0.20 mm)
    >2" (50.8 mm) to 2-1/2" (63.5 mm) ±0.010" (0.25 mm)
    >2-1/2" (63.5 mm) to 3" (76.2 mm) ±0.012" (0.30 mm)
    3" (76.2 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)
    ±10%Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0" Coils to 80,000' (24,384 m)

    Applications & Markets:


    1. Power Generation


    2. Chemical


    3. Petrochemical


    4. Food


    Product Tags:

    u bend tube

      

    welded finned tubes

      
    Quality Welding Austenitic Stainless Steel Pipe , U Bend Pipe Precision TIG Welding for sale
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