Soft magnetic stainless steel bar K-M31
Magnetic core material, which is essential in electromagnetic
actuators, is required to have various different properties such as
corrosion resistance, magnetic property, electrical resistance, and
workability depending on the usage or performance.
Features
Compared with pure iron magnetic materials:
High corrosion-resistance
High electrical resistance
To meet processing methods:
Free-cutting types
Cold forgeable types
Compared to general ferrite stainless steel:
Excellent magnetic properties
Application
Fuel injectors, solenoid valve cores,
ABS sensor cores, magnetometric sensors, semiconductor valve stems,
massflow controller cores
Chemical Composition
K-M31 13Cr-2Si
K-M35FL 13Cr-0.7Si-0.2Al-0.2Pb
K-M38 18Cr-2Si-2Mo
K-M45 20Cr-2Si-2Mo
K-M60 13Cr-0.2Al-1Mo
Standard heat treatment condition
K-M31, K-M35FL, K-M60 950°C×3hr-furnace cooling
K-M38 850°C×3hr-furnace cooling
K-M45 1000°C×3hr-rapid cooling
Soft-magnetic properties, pitting potential
Mechanical properties, hardness
