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2.5mm-50.8mm Silicon Nitride (Si3N4) Ceramic Ball

2.5mm-50.8mm Silicon Nitride (Si3N4) Ceramic Ball
Price: US $ 3.5-8/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 100/Piece
Pay Type: L/C,T/T
Our ceramic balls are widely used in bearings, composte bearings, mechnical seals, nozzles, chemical pumps, auto parts, heat exchange components, vacuum equipment, etc.

Material
Ceramic(Si3N4, SiC, ZrO2, Al2O3)

Size
0.5mm-50.8mm

Grade
G5, G10, G20, G100, G200, etc.

Features
1. High Fracture Toughness
2. High Dielectric Strength
3. Low density
4. Light weight (60% Lighter than Steel)
5. Wear Resistant
6. Corrosion Resistant, Anti-wear/corrosion/high temperature
7. Microwave Transparency
8. Non Magnetic, non-magnetism
9. High stiffness
10. Chemically Inert
11. Thermal Shock Resistance
12. Low Coefficient of Thermal Expansion
13. Free maintenance
14. Fist choice in ceramic balls

We will provide quality balls, perfect service and fast delivery at competitive pricing!
Your cooperation and order are warmly welcome!


Chemical Composition & Physical Properties:
Specification Common Ceramic Ball Inert Ceramic Ball Medium Alumina Ball High Alumina Ball 99% Alumina Ball
Al2O3 + SiO2 (%) >93 >92 >93 >94 >99
Al2O3 (%) 17-23 23-30 47-56 90-93 99
Fe2O3 (%) <1 <1 <1 <1 <1
CaO (%) <0.5 <1.5 <2 <4 0.2
MgO (%) <0.5 <2.5 <0.5 <0.5 0.1
K2O + Na2O (%) <4 <4 <3.5 <4 >0.5
TiO2   <0.5 <0.1 <0.1 0.5
Leachable Iron (%)   <0.1 <0.001 <0.001  
Water Absorption (%) <0.5 <0.2 <2 <3 2.0-6.0
Bulk Density (g/cm 3 ) 1.35-1.40 1.35-1.40 1.35-1.45 1.8-2.0 1.8-2.0
Operation Temp. max. >1100 >1100 1480 1760  
Mohs Hardness (scale) >6.5 >7 >7 >7 >7.5
Crush Strength KN/particle
1/4 inch (6mm) >0.5 >0.54 >0.56 >0.44 >1
1/2 inch (13mm) >1.5 >1.67 >1.56 >1.99 >3
3/4 inch (19mm) >4.15 >4.21 >2.89 >3.21 >5
1 inch (25mm) >6.07 >6.22 >4.89 >5.33 >8
1-1/2 inch (38mm) >8.52 >8.92 >5.33 >5.28 >8
2 inch (50mm) >9.7 >9.8 >6.22 >8 >15

Prod Model: BB balls
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Material: Ceramic(Si3n4,Sic,Zro2,Al2O3)
Color: Black,White
Port: Qingdao/Shanghai
B&B Industrial is one of the leading exporters and manufactues of high precision balls, bearings, bearing accessories, rollers and other various transmission parts in China.

Our management ideal is to bring benefits to our customers.
Our business guideline is "improving, trust and developing forever".
Our quality policy is "high quality service and zero mistakes".

Our key competitive advantages are as follows:

1) Strict Quality System
2) Stable Supplier Materials
3) Advanced Product Design & Strict Manufacturing Process Control
4) Professional Knowledge & Service

Our company insists on credit as our principle.
We have been providing our valued customers with the following benefits and advantages:
--Good price with good quality and service
--Professional project management teams will work closely with you until it is finished.
--Multiplex & full metal product manufacture service for you
--Quick delivery

Today, our company is looking forward to a higher goal. Welcome you to work together with us hand in hand. We are your loyal friend and reliable partner.

We warmly and sincerely thank for your cooperation.

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  • B&B Industrial (Hk) Co., Ltd.

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