The alloys that contain less than 5 % of components else but copper are classified in the category pure and weakly alloyed coppers (ex:CuNi2Si)

For other foreign correspondences, see: Chart correspondences among the main foreign standards and:

Chemical components according to foreign standards:

According to DIN Wrought pure coppers Cast pure coppers Coppers with treatments Brass Complex brass Laitons complexes Wrought bronzes Casting bronzes Cupro-alumiiums Cupro-nickel-zinc Cupro-nickel According to ASTM: Wrought pure coppers Wrought alloyed coppers Wrought brass Wrought bronzes Wrought cupro-aluminums Wrought silicon bronzes Wrought complex brass Wrought cupro-nickels Cast pure coppers Cast pure coppers Cast brass Cast silicon bronzes Cast special bronzes Cast phosphorous bronzes Cast cupro aluminums Cast cupro nickels Copper leads Cast special alloys According to British System Wrought pure and alloyed coppers Wrought brass Wrought cupro aluminums Wrought cupro nickel Wrought cupro nickel and bronzes Cast pure and alloyed coppers Cast brass Cast bronzes Cast cupro nicel and bronzes