Manganin ƙarfe mai juriya na daidaito musamman yana da alaƙa da ƙarancin zafin jiki tsakanin 20 zuwa 50 °C tare da siffar parabolic na lanƙwasa R (T), kwanciyar hankali na dogon lokaci na juriyar lantarki, ƙarancin EMF na zafi idan aka kwatanta da jan ƙarfe da kyawawan kaddarorin aiki.
Duk da haka, ana iya samun ƙarin nauyin zafi mai yawa a cikin yanayin da ba ya haifar da iskar oxygen. Idan aka yi amfani da shi don juriyar daidaito tare da mafi girman buƙata, ya kamata a daidaita juriyar a hankali kuma zafin aikace-aikacen bai kamata ya wuce 60°C ba. Wuce matsakaicin zafin aiki a cikin iska na iya haifar da raguwar juriya da aka samar ta hanyar hanyoyin oxidizing. Don haka, kwanciyar hankali na dogon lokaci na iya shafar mummunan tasiri. Sakamakon haka, juriya da kuma yawan zafin jiki na juriyar lantarki na iya canzawa kaɗan. Hakanan ana amfani da shi azaman kayan maye gurbin mai araha don solder na azurfa don hawa ƙarfe mai tauri.