United States Ball Corp. subscribes to the A.B.M.A. Industrial Ball Grades Standards - Manufacturing of Metal Balls in the U.S.A.
|
Age Hardenable Stainless Balls |
Specialty Stainless Balls |
| 17-4 PH | Nitronic 32 |
| 17-7 PH | Nitronic 33 |
| 15-5 PH | Nitronic 40 |
| Custom 450 | Nitronic 50 |
| Custom 455 | Nitronic 60, (trade mark of Armco Inc.) |
| Alloy 20, Carpenter 20 | |
| 606 Invar 36, Knar | |
| 608 Kovar |
