| Customization: | Available |
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| Customized: | Customized |
| Certification: | ISO, BV |
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| Chrome steel ball/bearing steel ball | ||||||||||
| 1. Material | AISI 52100/ 100Cr6/ 100C6/ SUJ2/ Wks 1.3505 | |||||||||
| 2. Size Range | 0.6mm-180mm | |||||||||
| 3. Grade | G10-1000 | |||||||||
| 4. Hardness | 58-65 HRC | |||||||||
| 5. Characteristic | (a)Mainly used in bearings (b)Good hardness (c)Good resistance to deformation with excellent wear resistance (d)Low corrosion |
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| 6. Magnetic | Yes | |||||||||
| 7. Application | Ball bearings, bicycles, automobile industry | |||||||||
| 8. Chemical composition | ||||||||||
| C% | Si% | Mn% | S% | P% | Cr% | Mo% | Cu% | Al% | O% | |
| min. | 0.93 | 0.15 | 0.25 | --- | --- | 1.35 | --- | --- | --- | --- |
| max. | 1.05 | 0.35 | 0.45 | 0.015 | 0.025 | 1.65 | 0.1 | 0.3 | 0.05 | 0.0015 |
| 9.Packing | Standard: 10kg or 20kg per carton,1 ton per pallet or as customer required | |||||||||
| 10.Conditioning | dry or oiled | |||||||||
| 11.Delivery time | Stock within a short time or 35 days. | |||||||||
| CHANGZHOU HUARI STEEL BALL CO., LTD. | ||||||||||
| What is SUJ2? | Features | Applications | Hardness | |||
| SUJ2 is a high-carbon chromium bearing steel in conformity with JISG4805. Non-metal inclusions,which have a harmful effect on the durability of steel, are minimized by the vacuum degassing method. |
High load bearing | Bearings | 0.8mm-3mm 63-67 HRC |
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| Fine surface finish | Ball screws | |||||
| Through-hardness and high loacapacity | Automotive (transmission, steering, anti-lock brakes) | 3.175mm-30mm 62-67 HRC |
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| Used in demanding industrial applications |
Valves Couplings Locks Slides Conveyers |
30.1625mm-104.775mm 61-67 HRC |
| Manufacture process of steel balls | ||||
| Step 1 Heading | Balls blanks are cold headed from rolls of wire. | |||
| Step 2 Flashing | Rolling balls between two hard alloy plates to removes the slight band and small protrusions. |
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| Step 3 Heat treat | Heating balls to a high temperature in furnace and quenching balls in a liquid bath. | |||
| Step 4 Rough grind | Rolling balls between the face of a fixed iron plate and a very hard fire-grit grinding wheel. Then rolled the hardened ground balls between two cast iron plates. | |||
| Step 5 Cleaning | The final production operation cleans the finished balls and adds a shiny luster. | |||
| Step 6 Final Inspection |
Balls are gauged, visually inspected and subjected to other quality tests to insure every customer's specifications are achieved. |
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| Step 7 Packaging | The balls are packaged in accordance with customer specifications for shipping. | |||
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