Home > Stainless Steel >

Welding Austenitic heat exchanger u tube, 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
  • Product Details
  • Company Profile

Welding Austenitic heat exchanger u tube, U Bend Pipe Precision TIG Welding

Welding Austenitic heat exchanger u tube, U Bend Pipe Precision TIG Welding


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 heat exchanger u tube, U Bend Pipe Precision TIG Welding for sale
Send your message to this supplier
 
From:
To: Spezilla Tube Co., Ltd. (Shanghai)
Subject:
Message:
Characters Remaining: (0/3000)
 
You may also be interested in :
Inquiry Cart 0
  • Haven't found right suppliers
  • Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
  • And this service is free of charge.
  • we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!
  • Submit Buying Request
    Contact Us Quickly