7A03 7A09 7075 Aluminum Balls
7XXX series aluminum ball has good corrosion resistance, wear resistance and very good surface finish. The aluminum alloy shows the best mechanical properties among aluminum alloys after heat treatment.
When comparing 7XXX aluminum with 6XXX aluminum, the properties of strength, corrosion resistance and conductivity are the important factors should be considered. 
| 7A03 7A09 7075 Aluminum Balls | ||||||||||
| 1. Material | 7A03/ 7A09/ 7075 | |||||||||
| 2. Size Range | 1mm-40mm | |||||||||
| 3. Grade | G500-1000 | |||||||||
| 4. Hardness | 58-62 HRC | |||||||||
| 5. Characteristic | (a)Low weight, good electrical and heat conductivity (b)High corrosion resistance but low mechanical strength (c)Easlily machined, drilled and tapped | |||||||||
| 6. Magnetic | Non-magnetic | |||||||||
| 7. Application | Special bearings and valves, they are used in the aeronautic, aerospace, military fields and in welding processes. | |||||||||
| 8.Packing | Standard: 10kg or 20kg per carton,1 ton per pallet or as customer required | |||||||||
| 9.Conditioning | dry | |||||||||
| 10.Delivery time | Stock within a short time or 35 days. | |||||||||
| Grade: G10 to G1000 | |||||
| Grade | ball diameter | spherical | surface | lot diameter | nomainal ball |
| variation | deviation | roughness | variation | deviation tolerance | |
| Vdws | Sph | Ra | Vdwl | Tdn | |
| not over | |||||
| μm | |||||
| 10 | 0.25 | 0.25 | 0.02 | 0.5 | * |
| 16 | 0.4 | 0.4 | 0.025 | 0.8 | * |
| 20 | 0.5 | 0.5 | 0.032 | 1 | * |
| 24 | 0.6 | 0.6 | 0.04 | 1.2 | * |
| 28 | 0.7 | 0.7 | 0.05 | 1.4 | * |
| 40 | 1 | 1 | 0.06 | 2 | * |
| 60 | 1.5 | 1.5 | 0.08 | 3 | * |
| 100 | 2.5 | 2.5 | 0.1 | 5 | ±12.5 |
| 200 | 5 | 5 | 0.15 | 10 | ±25 |
| 500 | 12.5 | 12.5 | * | 25 | ±50 |
| 1000 | 25 | 25 | * | 50 | ±125 |
| Standard Packing | |||
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| More packing methods, please contact us. |
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