Copper-AluminiumBeryllium-freeIn production
NCS
CuAl11Ni5Fe5 · C63020
NCS AMS 4590 is a nickel-aluminium bronze (UNS C63020, CW308G) for aerospace and hydraulic parts under heavy load. Heat treated, it gives the highest hardness and tensile strength of our four copper-aluminium grades.
390–689 MPaYield strength
740–931 MPaTensile strength
5–8 %Elongation
185–255 HBHardness HB
Specify this grade
Qualification packs are released after a short form. Export control applies.
Properties
Guaranteed values, by temper.
- Alloy family
- Copper-Aluminium
- Chemistry family
- CuAlNiFe
- Lead-free
- Yes
Forms
Forms & dimensions available
Bars7 variant(s)
Dimensional ranges and tolerances on request — machining and finishing are in house.
Standards
Standards & equivalences
- 2,0978
- AMS 4590
- CW308G
- NFA 51-116
- NFL 14706
Product and process qualifications are listed above. Customer approvals are confidential and are not disclosed.
Applications
Markets & applications
Applications
- Bushings and bearings for landing gear
- Rings for aerospace assemblies
- Pump blocks for hydraulic equipment
- Highly loaded mechanical parts
