| Carbon ígwè | A216 Gr.WCB, WCC, WCA, wdg |
| Igwe ọkụ dị ala | A352 Gr.LCB, LCC, LC1, wdg |
| Cr-Mo ígwè | A217 Gr.WC6, WC9, C5, C12, C12A, wdg |
| Igwe anaghị agba nchara | A351 Gr.CF8, CF8M, CF3, CF3M, CF8C, wdg |
| Alloy ígwè | CN7M alloy 20, CN3M alloy 20 gbanwetụrụ, CT15C, wdg |
| Super duplex | A995 Gr.4A, 5A, CE8MN, CD6MN, CD3MN, wdg |
| Aluminom ọla | B148 C95500, C95600, C95800, wdg |
| Ego | M30C, M35-1, CZ100, wdg |
| Inconel | CY40 inconel 600, wdg |
| Hastelloy | CW2m Hastelly C4, N12MV Hastelloy B, CW12MW Hastelloy C276, wdg |
| Incoloy | CU5MCuC Incoloy 825, CW6MC Incoloy 625, wdg. |