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Ceramic ball

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Alumina ball (Al2O3) Alumina ball has the characteristics of high density, high hardness, low wear, good seismic stability, corrosion resistance, etc. The products are widely used in ceramics, cement, coatings, refractories, inorganic mineral powder and other industries.

Main production and operation of high, medium and low carbon steel balls, bearing steel balls, stainless steel balls and metal balls and non-metal balls of various materials and special technical requirements.

Product Category

Ceramic ball

E-mail

henrychou@xinhuisteelball.com

Keywords:Bearing steel ball | Stainless steel ball | Carbon Steel Balls | Aluminum ball

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Feature & Functions

Alumina ball (Al2O3) Alumina ball has the characteristics of high density, high hardness, low wear, good seismic stability, corrosion resistance, etc. The products are widely used in ceramics, cement, coatings, refractories, inorganic mineral powder and other industries.

The strength and hardness of zirconia ceramic ball (ZRO2) are almost unchanged at 600 ℃, and its density is 6.00g/cm3. It is used in high temperature, corrosion resistance, insulation, magnetic insulation, non lubrication and other occasions, and is an ideal material to replace steel balls in corrosive occasions. It is mainly used as valve ball, all ceramic bearing, measuring ball, fine grinding ball, etc.

Silicon nitride ceramic ball (SI3N4) is a precision ceramic ball sintered at high temperature in a non oxidizing atmosphere. It has high strength, high wear resistance, high temperature resistance, corrosion resistance, acid resistance, alkali resistance, long-term use in seawater, and good performance of electric and magnetic insulation. At 800 ℃, the strength and hardness are almost unchanged, the density is 3.20g/cm3, the centrifugal force is small when rotating, and it can achieve high-speed operation, becoming the material of ceramic bearings and hybrid ceramic ball bearings.

 

Ceramic Ball
Material Specifications
Cermaic Type		 Alumina Oxide Zirconia Oxide Silicon Nitride
Composition 99.5% Al2O3 97% ZrO2 87% Si3N4
0.5% other 3% MgO 13% other
Hardness 1700HV 800HV 1700HV
Ultimate Tensile Strength 31,000 psi 60,000 psi --
Ultimate Compressive Strength >300,000 psi 285,000 psi >570,000 psi
Modulus of Elasticity 53 x106 psi 29 x106 psi 44-45 x106 psi
Maximum Working Temperature 1750°C/3182°F 1100°C/2012°F 1000°C/1832°F
Corrosion Resistance Inert except for hydruofluric and hot concentrated sulphuric acids. Inert to most substances, not recommended for environments of hydrochloric or strong alkaline solutions. Inert to most substances.

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