Mmanụ
C72900 bụ Cu15Ni8Sn dabere na ọla kọpa metastable ire ere-eme ka alloy arụ ọrụ dị elu sie ike.
* Nweta ngwakọta nke siri ike na ike dị elu.Nwere ike iguzogide ibu mmetụta dị ike.Nwere ike izute ihe ndị siri ike chọrọ maka ibu nhazi na nrụgide static.
* Magburu onwe ịrụ ọrụ nke mgbochi-eyi, na bara uru arụmọrụ nke eke onwe mmanu na-enweghị esemokwu ụzọ ọdịdọ, ọ bụ ihe dị mkpa maka ọdịda gia amị nke nnukwu ụgbọ elu, ma na-ahọrọ esemokwu akụkụ nke mmanụ ọma ejikọta mkpanaka.
* Kwesịrị ekwesị maka mpaghara acidic niile ma ọ bụ mmiri nnu, nguzogide corrosion dị elu.
N'ime ụlọ ọrụ mmanụ, CuNiSn alloy nwekwara ike iji na arịlịka hydraulic, njikọ nke mkpanaka sucker nke olulu mmanụ, igbu osisi mgbe a na-egwupụta ihe (LWD), na-ebu ohia na ihe ntupu.