Permalloy's extremely high magnetic permeability makes it the go-to material for magnetic shielding and flux-path components in sensors, photomultipliers and precision instruments. Its magnetic performance, however, lives and dies by chemistry — small deviations in the Ni/Fe balance visibly shift the permeability curve.
Spectrometer verification of incoming Ni-Fe stock against the specified grade — because magnetic properties follow chemistry.
Permalloy work-hardens; sharp tooling and correct parameters preserve both dimensional accuracy and material condition.
Batch traceability, EN 10204 3.1 certificates and Zeiss CMM dimensional reports.
Real capability windows — verified in-house, not estimated.
| Capability | Specification |
|---|---|
| Material | Permalloy-class Ni-Fe soft magnetic alloys |
| Typical tolerance | ±0.005 mm typical where applicable · ±0.01 mm standard |
| Surface finish | Down to Ra 0.2 µm |
| Processes | CNC milling, turning, Swiss-type |
| Inspection | Zeiss CMM + spectrometer chemistry verification |
| Certificates | EN 10204 3.1 · batch traceability |
| Prototype lead time | Typically 5–10 working days |
A transparent, engineering-led process built for long-term supply programs — not one-off transactions.
Send drawings and program context. Our engineers run a DFM review and flag tolerances, materials and risk before any cutting begins.
You receive a transparent quote plus a material-verification plan — grade, EN/DIN check and certificate strategy for your application.
In-house precision machining, then Zeiss CMM dimensional inspection and spectrometer material verification on critical batches.
Kitted, ESD-safe or cleanroom packaging, with local engineering and after-sales support through our German partner.
Tell us about your program. The fields below help our engineering team prioritize recurring, long-term supply programs with equipment manufacturers.
Every critical dimension is verified on our in-house Zeiss CMM · material chemistry confirmed by spectrometer · EN 10204 3.1 certificates available.
Prefer email? Write to us directly at info@prototech-machining.com