Stainless Steel Ball SS440/SS440C
Material: SS440/SS440C Stainless Steel
Size: 9/32
Grade: G10~G1000
Hardness: HRC58-62
Certificate: ISO-9001,TS-16949, ISO-14001
Application: bearing, stamping parts, valve, high precision component of aerospace industry, art work, toy
Brief Introduction
Miniature balls are those that are less than 1/8” (3 mm) in diameter.
Some of their key applications include instrumentation for calibration and
switching, microvalves, pumps, medical and dental equipment, optical
devices, ball screws, timepieces, metal detectors, disk drives, and pens.
How Miniature Balls Are Made
OUR ADVANTAGES
1) Good preformance- 0 customer complain in the past 6 months
2) Strick quality control- ISO9001, TS16949, ISO14001
3) Advanced equipment- full set of quality inspection equipment, precision roller sorting machine(developped by ourselves), photo defectoscope
4) Puntual delivery
PERCIFICATIONS
| Grade | Variation of Ball Diameter VDws |
Deviation from Spherical Form △Sph |
Variation of Ball Lot Diameter VDwl |
Surface roughness Ra |
| G5 | 0.13 | 0.13 | 0.25 | 0.014 |
| G10 | 0.25 | 0.25 | 0.5 | 0.02 |
| G16 | 0.4 | 0.4 | 0.8 | 0.025 |
| G20 | 0.5 | 0.5 | 1 | 0.032 |
| G24 | 0.6 | 0.6 | 1.2 | 0.04 |
| G28 | 0.7 | 0.7 | 1.4 | 0.05 |
| G40 | 1 | 1 | 2 | 0.06 |
| G60 | 1.5 | 1.5 | 3 | 0.08 |
| G100 | 2.5 | 2.5 | 5 | 0.1 |
| G200 | 5 | 5 | 10 | 0.15 |
| G500 | 12.5 | 12.5 | 25 | |
| G1000 | 25 | 25 | 50 |









