Xi'an machinery & engineering import & export co.,ltd.
China Chrome Steel Bearing Balls & High Precision Bearing Balls Supplier The best precision makes your bearing roll more smoothly. High quality, Best service, Reasonable price.
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28.575mm(1.125 inch) high precision forged chrome steel balls(G28) for Ball Bearing
Description
We carry a wide range of precision balls in chrome steel,stainless steel and carbon steel.
Finest quality AISI 52100 chrome steel is a kind of high carbon chromium bearing steel with low alloy content,the most widely used material for the manufacture of precision steel balls.
They are solid balls without magnetic but they can be attracted by magnet.
Although these chromium steel balls have good rust resistance, but it is recommended to use a dry cloth to wipe clean after use and apply a layer of oil, so that they have better rust resistance, to extend their service life.
Because of its high hardness and fine grain structure, this material can be finished to an extremely fine quality. produced steel ball have good performance, has high and uniform hardness and high precision grade and high crushing load after quenching and tempering, most widely used in various industires. such as precision bearings, automotive components, bicycle, sliders, quick couplings etc.
Our steel ball meet the customer's requirement after strictly production process,such as iInspection of Raw materials → Cold heading process → Flashing process→ Heating treatment process → Hard grinding process → Lapping process → tested → Cleaning → Appearance inspection → Cleaning and Oil → Re-inspection → Packaging → Inspection report.
Chemical Composition
| Chemical element | GCr15 | GCr15SiMn |
| Cr | 1.40% – 1.65% | 1.40% – 1.65% |
| C | 0.95% – 1.05% | 0.95% – 1.05% |
| Mn | 0.25% – 0.45% | 0.95% – 1.25% |
| Si | 0.15% – 0.35% | 0.45% – 0.75% |
| P | ≤0.025% | ≤0.025% |
| S | ≤0.020% | ≤0.020% |
| Mo | ≤0.10% | ≤0.10% |
| Ni | ≤0.25% | ≤0.25% |
| Cu | ≤0.25% | ≤0.25% |
FAQ
Q: Free sample can be provied?
A: Of course, the free sample is for your quality check.
Q: What's the inspection method to ensure the quality of steel balls?
A: Roller sorting, optical machine sorting and visual inspection.
Q: Can I come visit your office and factory?
A: Yes, You are warmly welcome.
Q: What is your delivery time for the order?
A: Normally the lead time is 20-30 days, but some sizes of balls are in our stock, around one week can be shipped.