Ọkụ na-alụ ọgụ
Nkọwa ngwaahịa
| Mgwooru | ASTM, A234Wb, A234wPC, A420wL6, Q235,10 #, A3, A3, Q235a, 20G, 16M |
| Standadi | ASTM / JIS / DUN / BS / GB / GOST |
| IWU EGO | Agba ojii, Mmanụ Ala, Galvanze |
| Ọgwụgwụ mgbidi | Sch10, SCH40 |
| Mogosi | Ikiaka, tee, flange, okpu, di na nwunye |
| Njikota | Igbado |
| Udi | Hara, na-ebelata |
| Asambodo | API, Ul |
| Akwukwo icho oru | Sistemụ ọkụ na-alụ ọgụ |
| Nkọwapụta nkọwa | Dabere na ọnụọgụ na nkọwapụta nke iwu ọ bụla |
| Oge nnyefe nkịtị bụ site na ụbọchị 30 ruo 45 mgbe ị nwetasịrị nkwụnye ego |
Dee ozi gị ebe a ma zigara anyị ya