Nickel nwere ezigbo ihe eji arụ ọrụ, anụ ahụ na kemịkal, ịgbakwunye ihe ndị kwesịrị ekwesị nwere ike melite nguzogide oxidation, nguzogide corrosion, ike okpomọkụ dị elu ma melite ụfọdụ ihe anụ ahụ.Standard: ASTM, AISI, JIS, GB, DIN, EN