304 / L Bright Annealing Heat Exchanger Tubes,Small Diameter 6mm - 60.3mm
Quick detail:
Heat Exchanger Tubes
·Standard: ASME / ASTM / DIN /EN
·Grade: 304, 304L
·Outer Diameter : 6.00mm-101.6mm
·Wall thickness : 0.30mm-2.5mm
·Length: max.40000mm or Custom
·Surface finish: Bright Annealing
·Manufacture technology:Longitudinally Welding
Description:
Material:
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Grade |
Chemical Composition(%) |
Remark |
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C≤ |
Mn≤ |
P≤ |
S≤ |
Si≤ |
Cr |
Ni |
Mo |
N |
Cu |
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|
304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0~20.0 |
8.0~10.50 |
0~0.1 |
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|
304L |
0.030 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0~20.0 |
8.0~12.0 |
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. |
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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 |
Competitive Advantage:
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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Test items:
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1.Chemical Composition(Spectral analysis ) |
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2.Mechanical Property(Tensile Test Machine) |
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3.Expansion Test(Tensile Test Machine) |
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4.Flange Test(Tensile Test Machine) |
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5.Flattening Test(Tensile Test Machine) |
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6. Hardness(sclerometer) |
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7. Metallo analysis(Metallo microscope) |
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8.Intergranular Corrosion Test |
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9.Surface and Dimension Test |
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10.Hydraulic Test(Hydraulic Test Machine) |
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11. Air Pressure Test (Air Pressure Test machine) |
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12.Eddy Current Test(Eddy Current Machine) |
