Core Iron (VIM VAR) is often used in the manufacture of soft magnetic components where vacuum integrity is needed such as in power tubes and microwave devices.
The tables below are provided as a reference for evaluating Core Iron’s properties for inclusion in your application. Below you will find typical physical, mechanical, chemistry and specifications along with magnetic properties.
For a Core Iron data sheet, or any other Soft Magnetic Alloys data sheets, please go to our Alloys and Metals Literature Library section.
If you have any questions or need further property information, please contact the sales team at Ed Fagan Inc.
|Core Iron (VIM VAR) Typical DC Magnetic Properties|
|Saturation Induction - Gauss||21,500|
|Maximum Relative Permeability||9,400|
|Coercive Force - Oersteds, max.||1.5|
|Coercive Force - A/m||68|
|Residual Induction (T)||1.44|
|Note: Annealed at 843°C for four hours in wet hydrogen. Residual induction (Br) and coercive field strength, (Hcb) are measured from a maximum flux density of 1.5T.|
|Core Iron (VIM VAR) Typical AC Magnetic Properties|
|Core Loss W/lb @ 400Hz & 20k G||N/A|
|B-40 Permeability @ 60Hz||N/A|
|N/A = not a typical application value|
|Core Iron (VIM VAR) Physical Properties|
|Electrical Resistivity||µ Ohm||13|
|Thermal Conductivity||W/cm °C||0.73|
|Specific Heat||Cal/g ∙ °C||0.108|
|Thermal Expansion||ppm / °F (75°F to 842°F)||7.5|
|ppm / °C (20°C to 200°C)||12.6|
|Core Iron (VIM VAR) Mechanical Properties|
|Elongation||% in 2 in.||45|
|Typical Hardness Ann.||Rockwell HRB||65|
|Modules of Elasticity||Mpsi||30|
|Core Iron (VIM VAR) Chemistry|
|Vanadium, titanium and aluminum are not required but may be added to surpress magnetic aging; if present they shall be analyzed and reported.|
|Source: ASTM International. A848-17 Standard Specification|
|Core Iron (VIM VAR) Specifications|
|ASTM A848 Type 1|
Ed Fagan Inc. is a leading global distributor of the highest quality special purpose metals and alloys. Our stock includes an unmatched inventory of soft magnetic, refractory, controlled expansion and electronic nickels. The materials you need, when you need them!
CarTech® Core Iron (VIM VAR) is a registered trademark of CRS Holdings, Delaware.