A le pin awọn ohun elo epo ati kemikali si irin eto erogba, irin alloy kekere, irin alloy giga, alloy ti o da lori nickel, alloy idẹ irin, alloy aluminiomu, awọn ohun elo akojọpọ irin, awọn ohun elo idapọ ti kii ṣe irin ati awọn ohun elo miiran gẹgẹbi ohun elo naa; gẹgẹbi apẹrẹ ti o pari. A pin si awọn awo ati awọn paipu, awọn awopọpọ/awọn tubes apapo, awọn profaili, awọn ọpa ati awọn wayoyi, simẹnti ati awọn forging ati awọn ohun elo asopọ (awọn ohun elo welding, awọn flanges, awọn ohun elo paipu), ati bẹbẹ lọ; gẹgẹbi ipo ṣiṣe ohun elo naa, a le pin si yiyi gbona, extrusion, iyaworan, itọju ooru, Simẹnti, forging, composite mekaniki, composite bugbamu, composite yiyi, composite surfacing ati awọn iru miiran; gẹgẹbi aaye ohun elo, a le pin si awọn ohun elo imọ-ẹrọ wellbore, awọn ohun elo imọ-ẹrọ ilẹ, awọn ohun elo kemikali atunṣe, awọn ohun elo ẹrọ epo ati awọn ohun elo okun Awọn ohun elo imọ-ẹrọ, ati bẹbẹ lọ. Gẹgẹbi aworan naa ṣe fihan:
Àkókò ìfìwéránṣẹ́: Oṣù Kẹ̀wàá-12-2023