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ASTM A179 Seamless Cold Drawn Low-Carbon Steel Heat-Exchanger Tubes and Condenser Tubes
| O.D | 5-420mm |
| W.T | 0.5-50mm |
| L | MAX 12M |
| Applications | for Boiler, Superheaters,Heat-Exchangers,Condensers |
Ubend Tubes according to Customer request
Steel Grade And Chemical Compositions
| C | 0.06-0.18 |
| Mn | 0.27-0.63 |
| P | ≤0.035 |
| S | ≤0.035 |
Mechanical Properties
Tensil Streghth : min ksi(Mpa) 47(325)
Yield Point : min ksi(Mpa) 26(180)
Elongation: ≥35%
Hardness: ≤72HRB
Tolerance For OD and WT (SA-450/SA-450M)
| OD mm | + | - | WTmm | + | - |
| < 25.4 | 0.10 | 0.10 | <38.1 | 20% | 0 |
| 25.4~38.1 | 0.15 | 0.15 | >38.2 | 22% | 0 |
| 38.1~50.8 | 0.20 | 0.20 | |||
| 50.8~63.5 | 0.20 | 0.20 | |||
| 63.5~76.2 | 0.30 | 0.30 | |||
| 76.2~101.6 | 0.38 | 0.38 |



