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Copper-NickelBeryllium-freeIn production

ARCAP AP4

Cu55Ni44Mn1

ARCAP AP4 is a Cu55Ni44Mn1 alloy designed and produced by Lebronze alloys. We supply it as rod, wire and strip for small precision parts in watchmaking, instruments and fibre optic connectors.

300–630 MPaYield strength
450–650 MPaTensile strength
1–30 %Elongation
4–4 %IACSEl. conductivity
Specify this grade

Qualification packs are released after a short form. Export control applies.

Properties

Guaranteed values, by temper.

Alloy family
Copper-Nickel
Chemistry family
CuNiMn
Lead-free
Yes

Forms

Forms & dimensions available

Rods2 variant(s)
Strips4 variant(s)
Wires2 variant(s)

Dimensional ranges and tolerances on request — machining and finishing are in house.

Standards

Standards & equivalences

  • DIN 17471 n°2.0842

Product and process qualifications are listed above. Customer approvals are confidential and are not disclosed.

Applications

Markets & applications

Applications

  • Watch microcomponents
  • Shielding for aerospace instruments
  • Optical fibre connectors
Precision machined parts in silvery nickel silver: screws, pins, bushings and threaded parts

Why this grade

01

High elasticity together with high mechanical properties.

02

Non-magnetic.

03

Corrosion resistance at high temperature and in marine environments.

04

Suited to deep drawing, brazing, soldering and welding in strip form.

Alternatives

If this grade is not the right trade-off.

Open in the Navigator, filtered
GradeChemistryYield strengthChoose it when
ARCAP AP4You are hereCuNiMn630 MPa
B98CuNi500 MPa
HardibronCuNiAlFe640 MPa
K5CuNiAl590 MPa
K5BCuNiMnAl430 MPa
K7CuNiAlFe640 MPa
Navinic 10CuNiFe250 MPa
Navinic 30CuNiMn300 MPa
Niclal 06RCuNi400 MPa
Niclal 10-FeCuNiFe220 MPa
Niclal 10RCuNi420 MPa
Niclal 20RCuNi300 MPa
Niclal 30-FeCuNiFe240 MPa
Next step

Send the grade, the form and the drawing in one go.

The request arrives pre-filled with this grade. A metallurgist reads it before it becomes a price.

context · source: product-page · grade: arcap-ap4 · form: Strips