Masu sarrafa aluminum na yau da kullun 6201-T81 masu ƙarfi, waɗanda suka yi daidai da ASTM Specification B-399, suna da tsari mai tsari, kama da masu sarrafa aluminum na yau da kullun 1350. An ƙera masu sarrafa aluminum na yau da kullun 6201 don cike buƙatar mai sarrafa wutar lantarki mai araha don aikace-aikacen sama waɗanda ke buƙatar ƙarfi mafi girma fiye da wanda za a iya samu tare da masu sarrafa aluminum na yau da kullun 1350, amma ba tare da tsakiyar ƙarfe ba. Juriyar DC a 20 ºC na masu sarrafa 6201-T81 da na ACSR na yau da kullun masu diamita iri ɗaya kusan iri ɗaya ne. Masu sarrafa ƙarfe na ƙarfe na 6201-T81 sun fi tauri kuma, saboda haka, suna da juriya ga gogewa fiye da masu sarrafa aluminum na yau da kullun 1350-H19.