Irin-iṣẹ abẹ irin ko tọka si iru irin alagbara, ati tun jẹ aṣoju diẹ sii ju 100 Awọn oriṣi ti awọn irin alagbara irin alagbara irin. Iru irin alagbara, irin ni iṣẹ to dara ni aaye ohun elo pato rẹ. Ni akọkọ, idi ti awọn Farage yoo jẹ alaye, ati lẹhinna ito irin alagbara, irin yoo ni ipinnu. Awọn irin alagbara, irin jẹ 304, 304L, 316, 316l, wọn ni chrobium, Nickel ati awọn ẹya kemikali miiran. Fun apẹẹrẹ, afikun ti Molyybandim le ṣe atunṣe carporic afikọti, paapaa resistance ipanilara si oju aye.