| Udi udi | Nkowa |
| Njikọta | Carbon (c): 0.38-0.43% |
| Chromium (cr): 0.80-1.10% | |
| Molybdemum (mo): 0.15-0.25% | |
| Manganese (mn): 0.75-1.00% | |
| Silicon (si): 0.20-0.35% | |
| Olu | - ike tensile naMmetụta Ike |
| - ezigbo nguzogide iyi na ike ọgwụgwụ | |
| - Nwere ike ịgwọ ọrịa iji meziwanye ihe siri ike na ike | |
| - mmaikerinaweedona mpempe akwụkwọ | |
| Ngwa | - Ihe eji eme ihe (dika,giars, okporo ahia, crankhaft) |
| - Multiallọ Ọrụ Mmekọrịta (WAG,axile, spindles) | |
| - akụrụngwa na mmanụ | |
| - Akụkụ ụgbọ elu (n'okpuru ọnọdụ a kapịrị ọnụ) | |
| Ọgwụ Ọgwụ | - nwere ike isi ikena-eme ihe na iweIji nweta ike dị iche iche na ọkwa siri ike |
| - Kwesịrị ekwesị maka ụdị ngwa ọrụ |
Dee ozi gị ebe a ma zigara anyị ya
