Mangan bụ aha ụghalaahịa maka alloy nke a na-ejigide 86% ọla kọpa, 12% manganese, na 2% nickel. Emere ya nke Edward Weston na 1892, na-eme ka ọ dị mma (1887).

A na-agbaze eriri afọ na-eguzosi ike na-agagharị na ibe ala. Nguzogide / usoro okpomọkụ adịghị ka ewepụghị dịka ihe mgbochi ma ọ bụ na-eguzogide nguzozi.

A na-eji manganin foil na waya iji mepụta ndị na-emegide ya, ọkachasị ammetershuntS, n'ihi ihe fọrọ nke nta ka ọ bụrụ ọnụ okpomọkụ Coeffies nke iguzogide uru [1] na ogologo oge nkwụsi ike. Ọtụtụ ụmụ nwoke na-emegide ya bụ ọkọlọtọ maka Ohm na United States site na 1901 ruo 1991. [201 A na-ejikarị eriri manganin mee ihe dị ka eletrik na-eduzi eletrik na syrogenic sistemụ, belata mbufe ọkụ n'etiti isi eletriki.

A na-ejikwa mannang na gages maka ọmụmụ nke ebili mmiri dị elu (dịka ndị na - agbanwe site na mkpọchi nke ihe mgbawa) n'ihi na ọ nwere nnukwu mmetụta nrụgide hydrolitic.