Ọnụ ego mkpanaka ọla H62 H65 H68 H70 chara acha
| GB | ISO | ASTM | JIS |
| H59 | CuZn40 | C28000 | C2800 |
| H62 | CuZn40 | C27400 | C2740 |
| H63 | CuZn37 | C27200 | C2700 |
| H65 | CuZn35 | C26800 | C2680 |
| H68 | CuZn30 | C26000 | C2600 |
| H70 | CuZn30 | C26000 | C2600 |
| H80 | CuZn20 | C24000 | C2400 |
| H85 | CuZn15 | C23000 | C2300 |
| H90 | CuZn10 | C22000 | C2200 |
| H95 | CuZn5 | C21000 | C2100 |
| GB | Ngwakọta kemịkalụ/% | |||
| Cu | Fe | Pb | Zn | |
| H59 | 57.0-60.0 | 0.3 | 0.5 | itule |
| H62 | 60.5-63.5 | 0.15 | 0.08 | itule |
| H63 | 62.0-65.0 | 0.15 | 0.08 | itule |
| H65 | 63.0-68.5 | 0.07 | 0.09 | itule |
| H68 | 67.0-70.0 | 0.1 | 0.03 | itule |
| H70 | 68.5-71.5 | 0.1 | 0.03 | itule |
| H80 | 78.5-81.5 | 0.05 | 0.05 | itule |
| H85 | 84.0-86.0 | 0.05 | 0.05 | itule |
| H90 | 88.0-91.0 | 0.05 | 0.05 | itule |
| H95 | 94.0-96.0 | 0.05 | 0.05 | itule |
Oge nzipu: Ọktoba 28-2020