Space and Aerospace balls
Metalball manufactures in house steel balls and ceramic balls for space and aerospace market.
The manufacture of steel balls is made from special “AMS” material and the heat treatment is qualified NADCAP. Our Eddy current checking and our EN 9100 quality system meet all aerospace requirement.
Silicon nitride balls are made from blanks Class I ASTM F2094 in order to guarantee the best performance.
| Material | Steel grade | Dureté |
| Chrome steel balls | AISI 52100 balls AMS 6444 | 61-65 HRC |
| Stainless steel balls | AISI 440C balls AMS 5618 | 58-64 HRC |
| XD15Nw balls AMS 5925 | 58-62 HRC | |
| Cronidur 30 balls AMS 5898 | 58-64 HRC | |
| Alloy tool steel balls | AISI M50 balls AMS 6491 | 60-65 HRC |
| Ceramic balls | Silicon Nitride balls – Si3N4 balls
Class I ASTM F2094 |
1500 HV |
| Coated balls | 440C AMS 5618 + TiC | 30 GPa |
| Balls for welding | 304L balls | 25-39 HRC |
| Hastelloy X balls | 25 HRC | |
| Titanium T40 balls | 28-42 HRC |
A technical query, a quote, stock availability? Contact us on +33(0)5 63 27 77 21 or via our contact form