ZrO2 Ceramic ball

Model:	Ø15.081mm
Brand:	ZXSQ
Origin:	Made In China
Category:	Industrial Supplies / Other Industrial Supplies
Label:	ceramic ball , Al2O3 ball , bearing ball
Price:	US $3.18 / pc
Min. Order:	20 pc

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Product Description

Usage: high-precision bearing ballsfor high speed,vacuum,fixed anode X-ray tube,high temp,low temp,electric insulation,high precision ballscrew set,valve balls for acid,alkali,salt,measure pumps,flowmeter.

Characteristic: resistant to strong acid,strong alkali,salt and gas or deletetious,long contact fatigue life,high hardness,resistant to wear.

Grade			Tolerance			Lot Diameter Variation			Ball Diameter Variation			Deviation from Spherical form			Surface Roughness
Grade			NOT　EXCEED（μｍ）
ISO	GB	ZXSQ	ISO	GB	ZXSQ	ISO	GB	ZXSQ	ISO	GB	ZXSQ	ISO	GB	ZXSQ	ISO	GB	ZXSQ
3	3	3	5	5	5	0.13	0.13	0.13	0.08	0.08	0.08	0.08	0.08	0.08	0.012	0.012	0.012
5	5	5	5	8	7	0.25	0.25	0.25	0.13	0.13	0.13	0.13	0.13	0.13	0.02	0.02	0.02
10	10	10	9	10	10	0.5	0.5	0.5	0.25	0.25	0.25	0.25	0.25	0.25	0.025	0.025	0.025
16	16	16	10	16	12	0.8	0.8	0.7	0.4	0.4	0.4	0.4	0.4	0.4	0.032	0.032	0.032
20	20	20	12	16	14	1	1	0.8	0.5	0.5	0.5	0.5	0.5	0.5	0.04	0.04	0.04
28	28	28	12	16	14	1.4	1.4	1.2	0.7	0.7	0.7	0.7	0.7	0.7	0.05	0.05	0.05
Standard for the finished steel balls									Standard for the finished ceramic balls
l Hardness on Spherical: 60~66HRC									l Hardness on Spherical:　Si₃N₄/Sialon/SSiC 2300~2700HV
l Hardness Variation of a Ball: ≤0.5HRC									l ZrO₂: 1200~1500HV
l Hardness Variation of One Lot: ≤1.0HRC									l Hardness Variation of a Ball: ≤２HRC
l Decarburized layer: ≤0.02mm									l Hardness Variation of One Lot: ≤３HRC
l Micro-structure:　1~3 class, no troostite on the surface									l Density: Si₃N₄/SSiC 3.15~3.26g/cm³
									l ZrO₂: 6.01~6.04g/cm³
									l Sialon: 2.93~3.2g/cm³
									l Micro-structure: micro-fine structure having well distraction
									l Gas hole ratio: ＜1%