Magnetic Properties

Nom.

Min.

Br (Gauss)

9,000

8,500

Hc (Oersted)

8,700

8,000

Hk (Oersted)

12,000

10,000

Hci (Oersted)

15,000

13,000

BHmax (MGOe)

20.0

18.0

Temp Coeff of Br (%/°C)

-0.04

N/A

Recoil Permeability (µrec)

1.05

N/A

Tc, Curie Temperature (°C)

720

N/A

Maximum Operating Temperature (°C)

250

N/A

Physical Properties

Density (Ibs/in³)

0.30

Coeff of Linear Expan. ^ to <M> (10^-7/°C approx)

66

Coeff of Linear Expan. // to <M> (10^-7/°C approx)

66

Compressive Strength (psi x 10³)

14.5

Young's Modulus (psi x 10⁶)

32.2

Vicker's Hardness (HV)

600

Common Industry Name

SmCo20, Sam20

Electrical Resistivity (µW.cm)

50

Typical Appearance

Silver

Type

SmCo5