Mu-metal (2.4499) requires a specific annealing cycle in hydrogen atmosphere. The DIN 17742 PDF includes mandatory notes on heat treatment to achieve the specified permeability (μ4 ≥ 60,000). A non-compliant alloy will allow stray magnetic fields, ruining image quality.
Pdf: Din 17742
Mu-metal (2.4499) requires a specific annealing cycle in hydrogen atmosphere. The DIN 17742 PDF includes mandatory notes on heat treatment to achieve the specified permeability (μ4 ≥ 60,000). A non-compliant alloy will allow stray magnetic fields, ruining image quality.