Manganin suna ne na alamar kasuwanci don ƙarfe mai yawan kashi 86% na jan ƙarfe, 12% na manganese, da 2% na nickel. Edward Weston ne ya fara ƙirƙiro shi a shekarar 1892, wanda ya inganta fiye da Constantan (1887).

Gilashin juriya mai matsakaicin juriya da ƙarancin zafin jiki. Lanƙwasa juriya/zafin jiki ba shi da faɗi kamar na constans kuma halayen juriyar tsatsa ba su da kyau.

Ana amfani da foil da waya na Manganin wajen kera resistors, musamman ammeter.shunts, saboda kusan sifili ne na ƙimar juriyarsa [1] da kuma kwanciyar hankali na dogon lokaci. Da yawa daga cikin juriyar Manganin sun yi aiki a matsayin mizani na doka don ohm a Amurka daga 1901 zuwa 1990.[2] Haka kuma ana amfani da wayar Manganin a matsayin mai sarrafa wutar lantarki a cikin tsarin cryogenic, yana rage canja wurin zafi tsakanin wuraren da ke buƙatar haɗin lantarki.

Ana kuma amfani da Manganin a cikin ma'aunin aunawa don nazarin raƙuman girgiza masu ƙarfi (kamar waɗanda aka samar daga fashewar abubuwan fashewa) saboda yana da ƙarancin ƙarfin juriya ga damuwa amma yana da ƙarfin juriya ga matsin lamba na hydrostatic.