Spezilla Tube Co., Ltd. (Shanghai)

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ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater

Very competitive price and the tubes are well polished, we are very satisfied with Spezilla from our cooperation since year 2010.

—— Nathalie Gulli - Mexico

Spezilla supports our group very well, and now we are approved supplier of goverment, they are reliable and flexible! Spezilla always answers!

—— Jaime Arias - Argentina

Good quality, fast delivery, Spezilla has been supplying heat exchanger tubes for our projects since 2008, we really appreciate your support!

—— Massimiliano Rossi - Italy

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ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater

China ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater supplier
ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater supplier ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater supplier ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater supplier ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater supplier

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Product Details:

Place of Origin: CHINA
Brand Name: SPEZILLA
Certification: ISO9001, TS16949, PED, AD2000
Model Number: WLD-U

Payment & Shipping Terms:

Minimum Order Quantity: 500KGS
Price: NEGOCIATION
Packaging Details: WOODEN BOXED
Delivery Time: Ex-Mill 15 - 30DAYS
Payment Terms: T/T, L/C
Supply Ability: 100TONS/MONTH
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Detailed Product Description
Material Grade: 304/304L Size Range: 5/8'' X 0.035'' X U
Specification: ASME SA688 ASTM A688 Finishing Options: Bright Annealing, U Bend
Test Certificate: EN10204 3.1 Packaging: Wooden Boxed

ASME SA688 TP304/304L 15.875 X 0.89MM Welded Stainless Steel U Bend Tubes for Feedwater Heaters

 

Spezilla offers ASME SA688 welded U bend stainless steel tubeS for feedwater heater, Austenitic stainless steel and Ferritic stainless steels, surface condition in annealing and pickling, or bright annealing finishing, used in heat exchanger, boiler, condenser, heat transfer system.

 

ASTM A688 / A688M covers seamless and welded Austenitic stainless steel feedwater heater tubes including stainless steel U bending tube for application in tubular feed-water heaters, the tubing sizes covered shall be 5⁄8 in to 1 in. [15.9 to 25.4 mm] inclusive outside diameter, and average or minimum wall thicknesses of 0.028 in. [0.7 mm] and heavier.

 

ASTM A688 U Bend Stainless Steel Tube Specification


Heat treatment shall be applied to the U-bend area plus approximately 6 in. [150 mm] of each leg beyond the tangent point of the U-bend after bending, if specified.


Straight length: max 30000 mm


Leg length: 12000 mm, points of tangency of the bend to the leg end


Bending radius: max 1500 mm


Manufacturing method: Welded, Cold Drawn.


Straight length equal to 2 x leg length + 3.1416 x R

 

Traceability – All material is fully heat and lot traceable, allowing us to track products from raw material to finished goods.


100% testing for reliability and safer installation - Every foot ofTubing undergoes 100% hydrostatic testing and positive material identification.

 

Description:

 

Item Code: SPW-U-304/304L
Tube OD.: 6.00MM - 25.40MM
Wall: 0.5MM - 1.65MM
Length: 25000MM
Material: 304/304L
Standard: ASME SA688
Finish: Bright Annealed.
Type: Welded & U Bend
Certification: ISO9001:2015
Mill Test Certificate: EN10204 3.1
Packing: Wooden Boxed

 
Chemical composition reference analysis (as weight %)
 

Chemical Amount %
  304 304L
C ≤ 0,08 ≤ 0,035
P < 0,040 < 0,040
S ≤ 0,030 ≤ 0,030
Si ≤ 1,0 ≤ 1,0
Mn ≤ 2,0 ≤ 2,0
Cr 18.00 – 20.00 18 – 20
Mo N/A N/A
Ni 8.00 – 11.00 8.00 - 13.00
N    

 
Mechanical values at room temperature
 

Mechanical Property 304 304L
Tensile strength N/mm² 525.00 485.00
Tensile yield point Rp 0,2 N/mm² 205.00 170.00
Elongation at break A5 % 35.00 35.00

 

Available Tube Product Forms:
 
U Bend.
 
Typical Applications:
 

U-bend tubes are widely used in heat-exchanger systems. Heat-exchanger equipment on the basis of seamless stainless U-tubes is essential in strategically important and critical fields — nuclear and petrochemical machine building.


Quality Assurance:
 
Spezilla's stainless steel  u bend tubes are produced acc. to the following process and inspection to assure our quality:
 
1. Chemical Composition Analysis Test With 100% PMI.
 
2. Solution Annealing / Bright Annealed.
 
3. 100% Hydrostatic Test and 100% Eddy Current Test
 
4. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test.
 
5. Impact Test subject to Standard request.
 
6. Grain Size Test and Intergranular Corrosion Test.
 
7. Visual Test and Endoscope Test for Surface Quality Test
 
Typical Manufacturing Specifications:
 
EN10217-7
 
ASTM A688
 
ASME SA688


Also individual customer specifications.
 
 

ASME SA688 Stainless Steel Welded Tube , Heat Transfer Tube For Feedwater Heater
 
 
 

Contact Details
Spezilla Tube Co., Ltd. (Shanghai)

Contact Person: Will Ma

Tel: +86 13918539222

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