Nika-e hāngai ana waea fehokotaki'anga he pai te mahi o te ātete ki te hau kaha, reo caustic, te waikura ātete ki te whakaiti reo waikawa, me te kaha teitei, plasticity pai, matao me te wera deformation me te tukatuka me te fehokotaki'anga āhuatanga, no reira, whakamahia whānuitia i roto i te petrochemical, metallurgy, pūngao ngota, whanaketanga moana, rererangi, Aerospace me ētahi atu ahumahi, ki te whakaoti i te whānui kowiri tira me etahi atu konganuku, kore-whakarewa rauemi e kore e taea te whakaoti i te raruraru waikura engineering, ko te tino nui rauemi whakarewa waikura-ātete.Ko nga koranu-a-nikel e tohu ana ki nga koranu e hangai ana ki te nickel me nga huānga whakakotahi ka taea te aukati i te waikura i etahi o nga papaaho.Ina whakarōpūhia e tona hanganga matū, ko te nuinga o te nickel, nickel-conpara alloys, nickel-molybdenum (nickel-molybdenum ferrolybdenum) alloys, nickel-chromium (nickel-chromium-rino) alloys, nickel-chromium-molybdenum (tae atu ki te nickel-chromium) - molybdenum alloys me te nickel-chromium-molybdenum copper alloys) me te nickel-rino chromium (te rino-nickel-based alloys) me etahi atu waahanga.Ka whakamahia te waea nickel parakore ERNi-1 ki te weld 200, 201 nickel alloy me te nickel-plated steel plate;fehokotaki'anga o te maitai me te nickel rauemi rerekē;Whakakikoruatia te mata o te maitai.Nika-parahi waea fehokotaki'anga ERNiCu-7 Monel 400 koranu ano fehokotaki'anga;me te whakapiringa o Monel 400 me te maitai;Ka whakamahia mo te whakarewanga o te rino.Ka whakamahia te waea whakapiri Nichrome ERNiCrFe-3 mo te whakapiri i nga mea rereke rereke o nga hononga ngokingoki;– Ko te whakapiringa o te austenitic, te maitai ferritic me te nickel alloys teitei, te whakapiringa o te maitai koranu kei roto 9% nickel Nichrome waea fehokotakinga ERNiCrFe-7 ka whakamahia mo te whakarewa i nga koranu me te whakarewa i te mata o te maitai, he pai rawa mo te hanga i nga reactors karihi.Te whakapiri i te waea nickel-chromium-molybdenum ERNiCrMo-3 INCONEL625, INCONEL825, INCONEL25-6Mo me MONEL400 alloys;– Fehokotakianga i waenganui i ultra-tiketike kaha austenitic maitai me INCOLOY020 koranu;Fehokotaki'anga i waenganui i koranu-a-nika me te kowiri tira rauemi rerekē;Maamaa o te maitai