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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

PropertyTemperatureValue

Density

20.0 °C

7.86 g/cm³

Mechanical

PropertyTemperatureValueComment

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

PropertyTemperatureValueComment

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

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.3E-7 Ω·m

Magnetic

PropertyTemperatureValue

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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