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Copper-Nickel-Tin Spinodal Alloys

CuNiSn Products: Hardiall®, Niclafor® and other spinodal alloys

Hardiall hollow bar

Very high strength & elasticity. _Hardness & friction resistance. _Corrosion resistance.

Our CuNiSn alloys are work-hardened, hardened by spinodal decomposition, and – in some cases – cold-worked. Their state-of-the-art metallurgical treatments and conditions provide them with excellent mechanical-elasticity and hardness properties. Copper-Nickel-Tin-based products can compete with the mechanical performance of Beryllium Coppers and offer excellent surface properties: very good resistance to corrosion, shock, friction, and depolishing.

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  • Beryllium free
  • Titanium Free
  • Lead-free 
  • Recyclability

CuNiSn alloys can replace copper-beryllium alloys, superalloys, and copper-titanium alloys.

Alloy Name
Available forms
Composition
UNS
AMS & ASTM
European Norms
Other
Download
Safety sheet
Declafor® 1015 CuNi8Sn5Te / CuNi7.5Sn5Te
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Hardiall® Aerospace CuNi15Sn8 C72900 ASTM B 505 - ASTM B 929 - AMS 4596 - AMS 4598 - AMS 4597
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Hardiall® Automotive CuNi15Sn8 C72900 ASTM B 505
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Hardiall® Mining CuNi15Sn8 C72900 ASTM B 505 - AMS 4596 - AMS 4597
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Hardiall® Oil & Gas CuNi15Sn8 C72900 ASTM B 505 - AMS 4596 - AMS 4597 - -
Niclafor® Automotive CuNi9Sn6 C72700 - -
Niclafor® Drawn CuNi9Sn6 C72700 - -
Niclafor® Strip CuNi9Sn6 C72700 - -
Niclal 725 CuNi9SnMn C72500 DIN 2.0875 - -
Hardiall® Defense CuNi15Sn8 C72900 ASTM B 505 - AMS 4596 - AMS 4597 - - - -
Hardiall Eco® Automotive CuNi9Sn6 C72700 - - -
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Hardiall Eco® Construction and Mining CuNi9Sn6 C72700 - - -
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