| Customization: | Available |
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| Customized: | Customized |
| Certification: | CE, ISO, Reach, RoHS, ISO9001, IATF, BV, TUV |
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Audited Supplier Audited by an independent third-party inspection agency
The factory produces ball sizes from 0.5mm to 250mm.
Chrome steel balls: AISI 52100/ 100Cr6/ 100C6/ SUJ2/ Wks 1.3505/ GCr15.
Stainless steel balls: AISI304, 304L, 316, 316L (G100-G1000), AISI420, 420C, 440, 440C (G10-G1000)
AISI304, 304L, 316, 316L: strong anti-rust performance, can be in direct contact with neutral liquids. Special Bearings, water pumps, valves, aerosols, dispensers, food machinery, medical, cosmetics and other fields.
AISI420, 420C, 440, 440C: precision bearings , auto parts, bicycles, mixers, slide rails, conveyor belts, skateboards, casters, valves, etc.
| 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 |
| China | Japan | U.S. | Germany |
| GCr15 | SUJ-2 | AISI 52100 | 100Cr6 ,1.3505 |
| Chrome Steel Ball/Bearing Steel Ball | ||||||||||
| Material | AISI 52100/ 100Cr6/ 100C6/ SUJ2/ Wks 1.3505/ GCr15 | |||||||||
| Size Range | 0.5mm-250mm | |||||||||
| Grade | G10-1000 | |||||||||
| Hardness | 58-65 HRC | |||||||||
| Characteristic | (a)Mainly used in bearings | |||||||||
| (b)Good hardness | ||||||||||
| (c)Good resistance to deformation with excellent wear resistance | ||||||||||
| (d)Low corrosion | ||||||||||
| Magnetic | Yes | |||||||||
| Application | Ball bearings, bicycles, automobile industry | |||||||||
| Packing | Standard: 10kg or 20kg per carton,1 ton per pallet or as customer required | |||||||||
| Conditioning | Dry or oiled | |||||||||
| Delivery time | Stock within a short time or 35 days. | |||||||||
| 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 |
Item |
Name | Material |
| 1 | Stainless Steel Ball | AISI304/304L/316/316L/420/420C/440C |
| 2 | Chrome Steel Ball | AISI 52100/ 100Cr6/ Gcr15/ SUJ2 |
| 3 | Carbon Steel Ball | AISI1010/1015/1086 |
| 4 | Brass/Copper Ball | H62/H65 |
| 5 | Aluminum Ball | 5050/7A03 |
| 6 | Torlon Ball | 4203/4301 |
| 7 | Coated Ball | gold nickel zinc copper |
| 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. | |||
| Material | Carbon, chrome, stainless, aluminium, copper, brass and so on. |
| Size range | 0.8mm-150mm |
| Grade | G10-1000 |
| Packing | Standard or as customer required |
| Delivery | Stock within a short time or 35 days |
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