| Staalcode | Chemische component | ||||||||
| C | SI | MN | CR | MA | P | s | Cu | Ni | |
| GCr15 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 1.40-1.65 | 0.1 | 0.025 | 0.25 | 0.25 | 0.3 |
| Standaardcode | Nauwkeurigheidsklasse | ||||||||
| GB | 0 | 6 | 5 | 4 | |||||
| ISO | 0 | 6 | 5 | 4 | |||||
| DIN | P0 | P6 | P5 | P4 | |||||
| JIS | 0 | 6 | 5 | 4 | |||||
| ANSI | ABEC1 | ABEC3 | ABEC5 | ABEC7 | |||||