• Model NO.：Ceramic Ball
• Product Item：Ball
• Transport Package：Carton
• Specification：Standard
• Trademark：DIHUI
• Origin：China

MaterialPropertiesClassClass 1Class 2Class 3Si3N4Density (g/cm³)3.0≤ρ≤3.6Elastic modulus (Gpa)270≤E≤330Poisson's ratio0.23≤μ≤0.29Coefficient of thermal expansion, X10^-6/ºC2.0≤α≤3.7(applicable range: room temp. to 500ºC)Average flexural strength (MPa)4-point test method≥750≥650≥5303-point test method≥820≥720≥550Average Vickers hardness /Gpa≥14.2≥13.3≥12.7      Average indentation fracture resistance(Mpa*m^1/2)≥6≥5≥5Crushing load ratio (%)403530MicrostructurePore size/μm≤10≤10≤25Inclusion/(number/cm²)25<S≤50≤4≤8≤1650<S≤100≤1≤2≤4100<S≤200≤0≤1≤2S>20000≤1Capacity*Fine ceramics  standard:  GB/T 31703-2015,ISO 26602-2017,ASTM F2094 F2094M-2018a,*Range:1mm-50.8mm*Grade: G3-G100

1. Founded in 1989, Shandong Dihui Machinery Technology Co., Ltd. is a large-scale rolling element manufacturer.

2. Advanced production and testing equipment. Including 98pcs cold forging machines, 46pcs vertical 4980 ball mills, 42pcs 4980 ball grinding machines, 56pcs 4780 lapping machines, 4pcs heat treatment equipment, 68pcs punching machines, etc.

3. Mainly produces stainless steel balls, high/medium/low carbon steel balls, bearing steel balls, ceramic balls, glass balls, roller, needles and etc., with over 55 billion annual output balls of various specifications.

4. ISO 3290-1-2014,  GB/T308.1-2013,  DIN 5401-2002 standard, We provide balls, rollers, needles, etc. of various specifications and materials, precision G5-G1000 and specifications of 0.5mm-120.0mm.

5. Widely used in the aerospace industry, automotive industry, precision instruments, meters, toys, motorcycles, bicycles, bearings, luggage, universal wheels, slide rails, medical equipment and food machinery, and puncture decorations and etc.




WHY CHOOSE US?

1. Professional Manufacturer of Steel Ball for 30 years
2. Easy Storage
3. Factory Price & Best Quality
4. Accept Customized Order
5. Fast Delivery
6. OEM Service
7. Emergency Stocks
8. We aim to be your long-term reliable supplies in China

We sincerely look forward to hearing from you !