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Seamless Carbon Steel Heat Exchanger Tube U Bend Tube ASTM A179 A210 A1
ASTM A179/A179M is Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes.
Chemistry Composition:
| C, % | Mn, % | P, % | S, % |
| 0.06-0.18 | 0.27-0.63 | 0.035 max | 0.035 max |
Mechanical Properties:
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, %
| Hardness, HRB |
| 325 min | 180 min | 35 min | 72 max |
Specifications of ASTM A179/ASME SA179 U Bend Heat Exchanger Tubes
Bending Details: Can Accord to Bending Drawings.
ASTM A179 Steel Pipes Application:
A179 seamless steel pipe is widely used in industries such as petroleum, chemical, medical, food, light industry, machinery, instrument, include industrial pipeline and mechanical structure parts, etc.
ASTM A179/A179M U-bend tubes for heat exchangers appled mostly in oil and gas plants, chemical and petrochemical plants, refineries, power plants and renewable energy plants. Low fin tubes can be supplied in the form of U bends, Sizes tolerances of U bend tubes are to fillfil the requirements of: ASTM A556 /A556M and DIN 28179.
Outside Diameter & Tolerance
| Outside Diameter, mm | Tolerance, mm |
| 3.2≤OD＜25.4 | ±0.10 |
| 25.4≤OD≤38.1 | ±0.15 |
| 38.1＜OD＜50.8 | ±0.20 |
| 50.8≤OD＜63.5 | ±0.25 |
| 63.5≤OD＜76.2 | ±0.30 |
| 76.2 | ±0.38 |
Wall thickness & Tolerance
| Outside Diamter, mm | Tolerance, % |
| 3.2≤OD＜38.1 | +20/-0 |
| 38.1≤OD≤76.2 | +22/-0 |