Littafin masana'antu

(3) Ana iya amfani da Selenium maimakon sulfur, amma ana iya iyakance amfani da shi.

d.Idan yawan juzu'in nickel bai wuce 8% ba, mafi ƙarancin adadin manganese dole ne ya zama kashi 5%.

e.Lokacin da yawan juzu'in nickel ya fi 8%, ƙarancin abun ciki na jan ƙarfe ba'a iyakance shi ba.

f.Abun cikin molybdenum na iya bayyana a cikin umarnin masana'anta.Koyaya, don wasu aikace-aikacen, idan ya zama dole don iyakance abun ciki na molybdenum, dole ne mai amfani ya nuna shi a cikin tsari.

④, g.Idan yawan juzu'in chromium bai wuce 17% ba, mafi ƙarancin adadin nickel yakamata ya zama 12%.

h.Austenitic bakin karfe tare da babban juzu'i na 0.03% carbon da babban juzu'i na 0.22% nitrogen.

⑤, i.Don samfuran diamita mafi girma, umarnin masana'anta na iya ƙunsar babban abun ciki na carbon don cimma abubuwan da ake buƙata na inji, amma bai kamata ya wuce 0.12% na Austenitic karfe ba.

⑥, j.Ana iya haɗa titanium da/ko niobium don inganta juriyar lalata.

⑦, ku.Ana amfani da wannan dabara kawai don rarrabuwar karafa mai duplex daidai da wannan takaddar (ba a yi nufin amfani da ita azaman ma'aunin zaɓi don juriyar lalata ba).