Application of ASTM A179/SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Condenser Tubes
Pipe ordered under this specification is for tubular heat exchangers, condensers, and similar heat transfer apparatusDetails of ASTM A179/SA179 We can supply
Manufacture:Seamless process :cold drawn only Size: O.D.: 10.0～76mm W.T.: 2～10mm Length: 6M or specified length as required. Ends: Plain End, Beveled End.Manufacturing Process of ASTM A179/SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Condenser Tubes
The tubes shall be made by the seamless process and shall be cold drawn .Chemical Composition of ASTM A179/SA179
Grade and Chemical Composition (％)| Chemical Composition | C | Mn | P≤ | S≤ | Si≤ |
| 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
Dimension tolerance of ASTM A179/SA179:
| OD In (mm) | + | - | WT In(mm) | + | - |
| <1(25.4) | 0.10 | 0.10 | ≤1.1/2(38.1) | 20% | 0 |
| 1～1.1/2(25.4～38.1) | 0.15 | 0.15 | >1.1/2(38.1) | 22% | 0 |
| >1.1/2～<2(38.1～50.8) | 0.20 | 0.20 |
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| 2～<2.1/2(50.8～63.5) | 0.25 | 0.25 |
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| 2.1/2～<3(63.5～76.2) | 0.30 | 0.30 |
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| 3～4(76.2～101.6) | 0.38 | 0.38 |
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| >4～7.1/2(101.6～190.5) | 0.38 | 0.64 |
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| >7.1/2～9(190.5～228.6) | 0.38 | 1.14 |
Mechanical Tests Required
Flattening test Flaring test Flange test Hardness test Hydro-static testOrdering information
Quantity ( feet, meters, or number of lengths) Name of material(seamless tubes) Manufacture(cold-drawn) Size (outside diameter and minimum wall thickness ) Length (specific and random) Optional requirements Test report required Specification numberHeat treatment
Tubes shall be heat treated after the final cold drawn pass at a temperature of 1200°F or higher.Appearance for ASTM A179/SA179
A sufficient number of visual surface imperfections to provide seasonable assurance that they have been properly evaluated with respect to depth. The defect shall be removed or cut off within the limits of requirements on length. The finished pipe shall be reasonably straight.