VIM VAR Core Iron: Premium Low‑Carbon Magnetic Material
Carpenter VIM VAR Core Iron is a low carbon magnetic iron produced using vacuum induction melting plus vacuum arc re-melting practices. Other elements commonly found in low carbon irons are held as low as possible to ensure good DC magnetic properties. This double melting technique controls the distribution of nonmetallic inclusions to a minimum length and frequency so that thin wall sections will not contain leaks due to internal discontinuities.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.86 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 207 GPa | |
Elongation | 20.0 °C | 45 % | in 2 in. |
Hardness, Rockwell B | 20.0 °C | 60 [-] | |
Tensile strength | 20.0 °C | 345 MPa | |
Yield strength | 20.0 °C | 190 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 450.0 °C | 1.47E-5 1/K | from 30°C to the mentioned temperature |
Melting point | 1532 °C | ||
Specific heat capacity | 20.0 °C | 110 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 73 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.3E-7 Ω·m |
Magnetic
| Property | Temperature | Value |
|---|---|---|
Coercive force | 20.0 °C | 79.58 A/m |
Curie temperature | 760 °C | |
Relative magnetic permeability | 20.0 °C | 10000 [-] |
Saturation induction | 20.0 °C | 2.15 T |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Common applications of Vim Var Core Iron are: Power tubes, microwave devices, magnetic pole pieces for scientific instruments, relays | |
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