Nonferrous metals are iron, chromium, manganese, all metals other than three metals.

 

In 1958, China included ferrous, chromium and manganese in ferrous metals, and added 64 metals, including iron, chromium and manganese, to non-ferrous metals. These 64 kinds of nonferrous metals including aluminum, magnesium, potassium, sodium, calcium, strontium, barium, copper, lead, zinc, cobalt, nickel, tin, antimony, mercury, cadmium, bismuth, gold, silver, platinum, ruthenium, rhodium, palladium, osmium, iridium, beryllium, lithium, rubidium and cesium titanium, zirconium and hafnium, vanadium, niobium and tantalum, tungsten, molybdenum, gallium, indium, thallium, germanium, rhenium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, yttrium, scandium, silicon, boron, selenium, tellurium, arsenic, thorium.