Forms and sizes available

  • Bars: Ø 6.69″ (170 mm)
  • Tubes: OD 9.25″ (235 mm)
  • Rods: Ø 1.38″ (35 mm)
  • Wires: Ø 0.51″ (13 mm)

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 | AMS 4597 | AMS 4598 – High strength spinodal copper nickel tin alloy

ISO Composition: CuNi15Sn8

UNS/Other designations: C72900 | C729 | CW355H

Aerospace specifications: AMS 4596 | AMS 4597 | AMS 4598

Other standards: ASTM B929 | EN 12163 | NACE MR0175 | 22-000119-03 | CU07 CU08 | MS013 | WN-135 | 100082256 | 100679610

Equivalent: Toughmet 3® | Pfinodal

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 key properties

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596  is a wrought spinodal hardened copper alloy designed for high-strength applications.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 is non-magnetic and resists mechanical wear, galling, stress relaxation, corrosion, and erosion.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 is manufactured by Lebronze alloys and benefits from a fully integrated production process from casting to finishing.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 is easily machined into complex and thin components whilst being environmentally friendly (lead and beryllium free) and compliant with REACH and RoHS regulations.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 is an ideal substitute to CuBe2 Beryllium Copper. Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 achieves mechanical properties similar to Beryllium Copper CuBe2 as well as superior surface properties and workability.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 is also a direct equivalent to Toughmet® 3 and is an ideal proven track record solution.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 applications

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 is used within several sectors thanks to its outstanding physical and mechanical properties.

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 – Bars and Tubes

Applications for Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 in bars and tubes:

  • Aerospace (bushings and bearings in actuation systems for landing gears, for primary and secondary flight controls, and various aircraft systems attachments.)
  • Automotive (valve guides, thrust washers, bearings, piston pins bushings) and braking and steering systems (brake caliper bushings and steering bushings).
  • Industrial (Bushings, bearings, wear contact pads in heavy metallurgical equipment like extrusion presses, rolling mills etc).
  • Off-Highway Mining (applications in heavy vehicles excavators, linkage bushings and bearings, Tri-cone reamers drill bits thrust washers and bushings etc.)
  • Oil & Gas (bushings and bearings for drilling components both offshore/onshore systems and in vertical/directional MWD components. Valves, mud pumps etc.)

Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 – Rods and Wires

Applications for Hardiall® | C72900 | CuNi15Sn8 | AMS 4596 in rods and wires:

  • Bushings and friction parts
  • Test probes and pogo pins
  • RF connectors
  • Watch components

Applications listed above are not exhaustive.

To learn more about Hardiall® | C72900 | CuNi15Sn8 | AMS 4596, download our technical documentation!

This product is currently out of stock and unavailable.