Uns C72900 C729
C729, ToughMet 3, Cu-15Ni-8Sn.
C72900 is available in several tempers, with (Age Hardened, Turned) and XT (Extreme Temper, cold worked + aged) being most common. uns c72900 c729
Values are averages from AMS 4331, ASTM A240, and data sheets from major producers (Allegheny, Sandvik, AK Steel). All values are for unless noted. C729, ToughMet 3, Cu-15Ni-8Sn
| Strength | Description | |----------|-------------| | | Up to 200 ksi tensile, maintains strength to 400°F | | Non-beryllium | No special handling or health restrictions | | Corrosion resistant | Seawater, sour gas, chlorides | | Wear resistant | Low coefficient of friction, galling resistant | | Non-magnetic | Critical for downhole electronics / medical devices | with (Age Hardened