ToughMet® 3 copper nickel tin alloys (UNS C72900) provide high performance property combinations beyond those found in other alloys. They resist most sour environments and retain their strength at elevated and sub-zero temperatures. ToughMet alloys are available in different tempers that meet specific application requirements.
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Temper | Yield Strength (KSI) | Tensile Strength (KSI) | Elongation (EL) | Hardness |
ToughMet 3 AT 110 | 110 | 125 | 6 | 30 HRC |
ToughMet 3 TS 95 | 95 | 106 | 18 | 97 HRB |
ToughMet 3 TS 120U | 110 | 120 | 15 | 24 HRC |
ToughMet 3 TS 130 | 130 | 140 | 10 | 24 HRC |
ToughMet 3 TS 150 | 150 | 158 | 5 | 36 HRC |
ToughMet 3 TS 160U | 150 | 160 | 6 | 36 HRC |
*Property combinations cited are minimums. Contact us for corresponding dimensional capability.
Copper(Cu) |
Niobium(Nb) |
Tin(Sn) |
Zinc(Zn) |
Magnesium(Mg) |
Nickel(Ni) |
Nickel + Cobalt(Ni + Co) |
Balance | 0.100 Max | 7.5 – 8.5 | 0.50 Max | 0.15 Max | 14.5 – 15.5 | 14.5 – 15.5 |
Lead(Pb) |
Manganese(Mn) |
Iron(Fe) |
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0.02 Max | 0.30 Max | 0.50 Max |
Learn more about ToughMet ® 3:
ToughMet ® 3 is a registered trademark of Materion Corporation.