ASME SA179 Low Carbon Steel Tube Seamless Heat Exchanger Tube Cold Drawn Tube
ASTM A179 / ASME SA179 Carbon Steel Seamless Tube Steel Heat Exchanger Tubing
Application of Other Similar Carbon Steel Tubes
| Application | Correct standard |
|---|---|
| High-pressure boiler tubes | ASME SA192 |
| Medium-carbon boiler and superheater tubes | ASME SA210 |
| Alloy boiler, superheater, heat-exchanger tubes | ASME SA213 |
| Welded heat-exchanger and condenser tubes | ASME SA214 |
| Low-temperature service tubes | ASME SA334 |
| Feedwater heater tubes | ASME SA556 |
ASTM A179 / ASME SA 179 Carbon Steel Seamless Tube Chemical Composition
| Element | Carbon | Manganese | Phosphorus | Sulfur |
| Grade | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.04 |
ASTM A179 / ASME SA 179 Carbon Steel Seamless Tube Material Mechanical Properties
| Yield Strength(MPa) | Tensil Strength(MPa) | Elogation(%) |
| ≥180 | ≥325 | ≥35 |
Properties:
- Strength: Cold drawn A179 tubes generally exhibit higher mechanical strength compared to their hot-rolled counterparts.
- Dimensional Accuracy: The cold drawn process allows for tighter tolerances, producing a more precise product.
- Surface Finish: They have a better surface finish, leading to improved aesthetic quality and corrosion resistance.
Comparison with Similar Grades
| Grade | Standard | Key Difference |
|---|---|---|
| SA179 | ASME | Cold-drawn, mandatory heat treatment, fine grain, higher ductility. |
| SA192 | ASME | Higher carbon (0.06–0.18% C), higher tensile (≥55 ksi), for boilers. |
| SA210 A1 | ASME | Medium-carbon steel (C ≤0.27%), higher strength, for boiler tubes. |
| EN 10216-2 P195 | EN | Similar low-carbon seamless, slightly different mechanicals. |
| JIS G3461 STB340 | JIS | Japanese equivalent; comparable properties. |
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Shell-and-Tube Heat Exchangers: Both shell-side and tube-side fluids, particularly for oil refineries, petrochemical plants, and power generation.
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Condensers: Surface condensers in steam power plants.
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Feedwater Heaters: Preheating boiler feedwater.
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Air Coolers: Fin-fan coolers in process industries.
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Hydraulic Systems: Low-pressure tubing in hydraulic lines.
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Instrumentation: Sensing lines for pressure and temperature.
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