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ASTM A688 TP304 Bright Annealed Sheat exchanger tubing Welded U Shaped Pipe

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

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ASTM A688 TP304 Bright Annealed Sheat exchanger tubing Welded U Shaped Pipe

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Large Image :  ASTM A688 TP304 Bright Annealed Sheat exchanger tubing Welded U Shaped Pipe

Product Details:
Place of Origin: CHINA
Brand Name: SPEZILLA
Certification: ISO9001:2008
Model Number: ASTM A688
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: WOODEN BOXED
Delivery Time: WITHIN 30 DAYS
Payment Terms: T/T, L/C
Supply Ability: 100 TONS / MONTH
Detailed Product Description
Product Name: Stainless Steel Tube Materials No.: TP304
Standard: ASTM A249 Production: WELDED
Welding: TIG / PLASMA Dimension: 1/2'' - 2'' X 0.035'' X 0.83''
Shape: Round Package: Wooden Case
Application: Heat Exchanger
High Light:

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aluminium extruded finned tubes

ASTM A688 TP304 Bright Annealed Sheat exchanger tubing Welded U Shaped Pipe



Welded Stainless Steel U Tubes

Used In Thermal Power Generation,

ASTM A249&ASTM A688,

Materail Grade TP304 / TP316L,

With Bright Annealing Heat Treatment For the straight Tubes

And stress relieved Heat treatment For the U bend Parts.



The Pipes are Used For Boiler, Superheater, Heat-exchanger,Pressure Vessel and Condenser In Thermal Power Station, Nuclear Power Staition, Paper Sugar / Pulp Fertilizers, Petrochemical Industry Etc.


American Standard Austenitic Steel:
TP304,TP304L,TP304H,TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,
TP317,TP317L, TP321, TP321H,TP347, TP347H,904L…
Duplex Steel :
S32101,S32205,S31803,S32304,S32750, S32760
Others:TP405,TP409, TP410, TP430, TP439,...
European Standard 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438,
1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501


A688 Standard specification for welded austenitic stainless steel feedwater heater tubes.
Materail: TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317L, TP321
Welding Method:TIG
Chemical Composition:Acc.to A688 and A480
Heat Treatment:Bright Annealing temperature 1040℃
Tolerance of Part "U":Leg Length:-0mm - +3mm,Distance of Double Leg:±1.5mmm, Ratio of Radius:±1.5mm, The Bend Level:±1.5mm.
Tolerance Of Straight Tube:OD Acc.to A1016/A1016M, WT +/-10%
Mechanical Property:Flange Test, Reverse-Bend Test, Hardness Test, Hydrostatic or Other Nondestructive Test, Tension Test
Intergranular Corrosion:Supplement requirements - Acc.to the Buyer's demand


Standard ASTM A249&ASTM A688
Material Grade TP304 / TP316L
OD(mm) 1/2” – 1 1/2”mm
WT(mm) 0.028” – 0.083”
L(mm) 500mm – 40000mm
Radius(mm) 32mm – 700mm
Delivery Condition

1)Bright Annealing Heat Treatment For the straight Tubes

2)The 2nd Heat treatment For the U bend Parts

Tolerance According to ASTM A249&ASTM A688
Main process Welding,Heat Treatment
Certificate ISO 9001:2008
Packing Bundles With Plastic Bags, Wooden Box With Angle Steel Frame Or others
Payment Terms T/T, L/C at sight
Delivery Time Generally 15Days – 45Days Or Depends on the quantity and Customers’ Request
Capacity 1000 Tons Per Month


Stainless Steel Tube Test items:
1.Chemical Composition(Spectral analysis )
2.Mechanical Property(Tensile Test Machine)
3.Expansion Test(Tensile Test Machine)
4.Flange Test(Tensile Test Machine)
5.Flattening Test(Tensile Test Machine)
6. Hardness(sclerometer)
7. Metallo analysis(Metallo microscope)
8.Intergranular Corrosion Test
9.Surface and Dimension Test
10.Hydraulic Test(Hydraulic Test Machine)
11. Air Pressure Test (Air Pressure Test machine)
12.Eddy Current Test(Eddy Current Machine)


ASTM A688 TP304 Bright Annealed Sheat exchanger tubing Welded U Shaped Pipe 0

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

Contact Person: Will Ma

Tel: +86 13918539222

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