Bronze bụ ụdị alloy dabere na ọla kọpa nwere isi ihe na-eme ka Tin. Isi ike na ike nke ọla kọpa na-abawanye site na mmụba nke ọdịnaya Tin. A na-ebelatakwa ductility site na mmụba nke tin karịa 5%. Mgbe a na-agbakwunye aluminum (4% ruo 11%), ihe na-esi na ya pụta bụ aluminom bronze, nke nwere nguzogide corrosion dị elu. Bronze dị ọnụ ahịa atụnyere ọla n'ihi ọnụnọ tin nke bụ ọla dị oke ọnụ.