Muna amfani da wani shiri ko tsari mara iyaka don yin jan ƙarfe a kusa da murfin ƙarfe kuma mu samar da haɗin kai tsakanin ƙarfe biyu don haka masana'antun na iya aiwatarwa (anneal) shi kamar ƙarfe ɗaya. A lokacin tsarin zane, diamita na tagulla da canjin karfe a wannan kashi, da kuma yawan ƙara na tagulla ya kasance koyaushe. Jihohi na injiniyoyi biyu: Anane (A) kuma zana (H)