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Welded Stainless Steel Pipes With Material 304 / 316L,ASTM A249 For Heat Exchanger

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Quick detail:

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·Product Name:Stainless Steel Pipes

·Standard: ASME SA249 / ASTM A249

·Grade: 304, 316L

·Outer Diameter : 6.00mm-101.6mm

·Wall thickness : 0.30mm-2.5mm

·Length: max.40000mm or Custom

·Surface finish: Bright Annealing, Anneal and Pickled

·Manufacture technology: TIG Welded

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Description:

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Material:

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Grade | Chemical Composition(%) | Remark |
C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Ni | Mo | N | Cu |
304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 8.0~10.50 | 　 | 0~0.1 | 　 | 　 |
304L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 8.0~12.0 | 　 | 0~0.1 | 　 | 　 |
316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0~18.0 | 10.0~14.0 | 2.0~3.0 | 0~0.1 | 　 | 　 |
316L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0~18.0 | 10.0~14.0 | 2.0~3.0 | 0~0.1 | 　 | 　 |
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Standards:

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SA249 Standard Specification For Welded Austenitic Steel Boiler,Superheater, Heat-Exchanger And Condenser Tubes. |
Item | Contents | Requirements |
1 | Chemical Composition | Acc.to SA249 and SA480 |
2 | Welding method | TIG Welding |
3 | Materail | TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316TI, TP316H, TP317L, TP321 |
4 | Straightness | 0.8mm/900mm |
5 | Tolerance | OD acc.to A1016/A1016M,WT +/-10% |
6 | Heat Treatment | Bright Annealing Temperature 1040℃ |
7 | Mechanical Property | Mechanical Property:Enlongation 45%-65% Expansion Test:Acc.To ASTM A249 & ASTM A1016 Flange Test: Acc.To ASTM A249 & ASTM ?A1016 Flattening Test: Acc.To ASTM A249 & ASTM ?A1016 Hardness:HRB 75-90 |
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Competitive Advantage:

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We Are Manufactuer Which Are Approved With ISO?9001-2008 and Manufacture License of Pressure Tube.?????????????????????????????????????????????????????????????????????????????????????????????????????????????? We Have Production experience?about?20?years. We?have?high?technical?production?lines?with?top?quality?products. We?have?win?high?reputation?based?on good?quality and Competitive Prives.

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Applications:

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1.? Pipes for Liquid Delivery. | ? | ? | ? |
2.? Tubes for Power Industry(Thermal Power and Nuclear Power Staition) and Petrochemical Industry:Boiler, Heat-sink, Condenser and Heat-exchanger tubes |
3.? Tubes for Automotive Industry:Oil tube and Exaust System Tubes. | ? |
4.? Tubes for Medicine and Food Industry. | ? | ? | ? |
5.? Tubes for Mechanical and Construction. | ? | ? | ? |
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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) |
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