Samarium Cobalt Magnets and Magnet Assemblies

Magnet Type			Sm-Co 1:5	Sm-Co 2:17
Mechanical Properties
Density	g/cm³		8.5	8.4
Density	lbs/in³		0.31	0.3
Compressive Strength	MPa		1000	650
Compressive Strength	psi		1.4x10⁵	0.9x10⁵
Tensile Strength	MPa		40	39
Tensile Strength	psi		6x10³	5x10³
Bending Strength	MPa		120	120
Bending Strength	psi		1.7x10⁴	1.7x10⁴
Young's Modulus	MPa		110x10³	150x10³
Young's Modulus	psi		1.6x10⁷	2.2x10⁷
Stress Crack Resistance	K_IC(N/mm^3/2)		60	45
Electrical Resistance	Ω·m		5x10^-7	8x10^-7
Vickers Hardness	Hv		550	600
Curie Temperature	°C		750	825
Specific Heat	J/(kg·K)		370	390
Coefficient of Thermal Expansion (at 20-100°C)	1/K	Perpendicular to c axis	13x10^-6	12x10^-6
Coefficient of Thermal Expansion (at 20-100°C)	1/K	Parallel to c axis	7x10^-6	10x10^-6

Note: c axis denotes Easy Magnetization Direction (EMD) also called Magnetic Alignment Direction.

Typical Values - not to be used as specifications.
Please contact us at (717) 898-2294 if you need specification values.