Silicon Carbide (SiC) Balls

SILICON CARBIDE (SiC) BALLSCeramic balls with good mechanical and stiffness properties, good corrosion and wear resistance. T

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SILICON CARBIDE (SiC) BALLS

Ceramic balls with good mechanical and stiffness properties, good corrosion and wear resistance. They are electric conductors and suitable for high temperature applications.

Applications

Special bearings and pumps, electric switches and sensors, medical instruments. They are used in automotive, aviation and aerospace, naval, petroleum, chemical and electronic industry.

Commercial name	Other name	Formula	Carbide %
Silicon Carbide	Carborundum	SiC	>90

Physical / Mechanical / Thermal / Electric / Magnetic Properties

Property	Symbol	U.o.M.	Type	Notes	Value
Density	δ	g/cm³	Physical	Room temp.	3.15
Young's modulus	E	GPa	Mechanical	-	405
Friction coefficient	µ	-	Mechanical	Room temp.	0.6
Specific heat	c	J/（kg·℃）	Thermal	Room temp.	695
Coefficient of linear thermal expansion	α	10^-6/ºC	Thermal	(ΔT=0-100°C)	3.7
Thermal conductivity	λ	W/(m·K)	Thermal	Room temp.	144.0
Electric resistivity	ρ	Ωm10^-9	Electric	-	> 10⁴
Relative magnetic permeability	µ	-	Magnetic	Diamagnetic	<1

Technical Data

Property	Type	U.o.M.	Values	U.o.M.	Values
Hardness	Mechanical	HV	2200-2800	-	-
Ultimate compressive strength	Mechanical	MPa	1700-2275	psix10^3	246-330
Service temperature	Thermal	ºC	0/1500	ºF	32/2732

Rang

Diameters	U.o.M.	Diameters	U.o.M.	Precision Grade (ISO 3290)
2.381- 50.800	mm	3/32 - 2	inch	G10 -......- G1000

Corrosion Resistance

Good corrosion resistance in diluted and concentrated acids, fairish in alkalis and halogens, they are resisting in contact with fluorhydric and sulphuric acids and sodium hydroxide, fair resistance in nitric and hydrochloric acids. They are not resisting in contact with molten metals.