| Customization: | Available |
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| Customized: | Customized |
| Certification: | ISO9100;2008SGS |
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| Product | 440c Impact Test 2mm 1mm Micro Stainless Steel Ball |
| Material | Stainless Steel 440 & 440C |
| Grade | G10-G1000 |
| Surface | Zero defect,clear |
| size | 2.381-25.4mm |
| Sample | Free sample |
| Application | Precision bearings, anti-friction bearings, special valves, conveyor belts and rollers, ballpoint pens. They are used in foodstuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices. |
| characteristic | Martensitic hardened stainless steel balls, they feature remarkable hardness, wear resistance, surface finishing, narrow dimensional tolerances. For that reason this type of steel is frequently used in precision devices. Balls are provided in the passivated condition. |
| corrosion resistance | The material resists to corrosion in contact with freshwater, steam, oil, petrol, alcohol. They are subjected to pitting corrosion in sea water environments. Poor corrosion resistance in acid environments. |
| Certification | ISO 9100;2008SGS |
| Packing | boxes,carton,wood pallet |
Material
| AISI 440 & 440C Stainless Steel | |||||||||
| Materials Standard | Chemmical Composition (%) | Hardness (HRC measured on parallel flats) | |||||||
| C | SI | Mn | P | S | Ni | Cr | Mo | ||
| AISI 440 | ≤0.9-1 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.03 | ≤0.06 | 17-19 | - | HRC56-58 |
| AISI 440C | ≤0.95-1.1 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.03 | ≤0.06 | 16-18 | 0.4-0.7 | HRC58-60 |
| Size:2.381-25.4mm Precision Grade: G10-G1000 | |||||||||
Ball Diameters
Precision Grade
Quality Assurance
Before packing, steel balls are sent for final audit to check for surface roughness, roundness, waviness, lot size variation and hardness in a sophisticated laboratory, according to specified control plans and dock audit procedures. Once all requirements are met, a test certificate is then prepared for the customer. Our sophisticated laboratory is equipped with high precision, worldwide respected machines and equipment and is managed by properly trained and qualified personnel.
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