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ASTM A688 TP304 Bright Annealed Stainless Steel Tube Welded U Shaped Pipe

Spezilla Tube Co., Ltd.
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Spezilla Tube Co., Ltd.
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-13918539222
Contact Person:
Mr Will Ma

ASTM A688 TP304 Bright Annealed Stainless Steel Tube Welded U Shaped Pipe

Brand Name : SPEZILLA
Model Number : ASTM A688
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
Production : WELDED
Welding : TIG / PLASMA
Materials No. : TP304
Dimension : 1/2'' - 2'' X 0.035'' X 0.83''
NDT : 100% ET
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ASTM A688 TP304 Bright Annealed Stainless Steel Tube 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 StandardAustenitic 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 Standard1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438,
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 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 A1016/A1016M, WT +/-10%
Mechanical Property:Flange Test, Reverse-Bend Test, Hardness Test, Hydrostatic or Other Nondestructive Test, Tension Test
Intergranular Corrosion:Supplement requirements - the Buyer's demand

StandardASTM A249&ASTM A688
Material GradeTP304 / 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

ToleranceAccording to ASTM A249&ASTM A688
Main processWelding,Heat Treatment
CertificateISO 9001:2008
PackingBundles With Plastic Bags, Wooden Box With Angle Steel Frame Or others
Payment TermsT/T, L/C at sight
Delivery TimeGenerally 15Days – 45Days Or Depends on the quantity and Customers’ Request
Capacity1000 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)

Product Tags:

u shaped pipe


stainless steel u bends

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ASTM A688 TP304 Bright Annealed Stainless Steel Tube Welded U Shaped Pipe Images

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