Magnetic Properties

Nom.

Min.

Br (Gauss)

11,000

10,800

Hc (Oersted)

10,300

9,000

Hk (Oersted)

15,000

12,000

Hci (Oersted)

20,000

19,000

BHmax (MGOe)

28.0

27.0

Temp Coeff of Br (%/°C)

-0.03

N/A

Recoil Permeability (µrec)

1.05

N/A

Tc, Curie Temperature (°C)

800

N/A

Maximum Operating Temperature (°C)

350

N/A

Physical Properties

Density (Ibs/in³)

0.30

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

110

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

90

Compressive Strength (psi x 10³)

29

Young's Modulus (psi x 10⁶)

29

Vicker's Hardness (HV)

600

Common Industry Name

SmCo28, Sam28

Electrical Resistivity (µW.cm)

90

Typical Appearance

Silver

Type

Sm2Co17