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What is non-ferrous material
Oct 22, 2018

Nonferrous metal refers to all metals except iron, chromium and manganese three metals. Iron, chromium and manganese are ferrous metals. Non-ferrous material is a kind of metal materials. Mainly copper, aluminum, lead and nickel and so on. Its corrosion resistance depends to a large extent on its purity. After adding other metals, the mechanical properties are generally higher and the corrosion resistance is reduced. Cold machining, such as stamping, can increase its strength but reduce its plasticity. Maximum permissible temperature: copper (and its alloy) is 250 ℃, aluminum is 200 ℃, lead is 140 ℃, nickel is 500 ℃.


What is non-ferrous material

According to the production and application methods, non-ferrous metals can be classified as follows:

What is non-ferrous material

Non-ferrous metals are also divided into nonferrous metals, colored light metals, rare metals, precious metals and semi-metals 5 categories. The so-called ferrous metal refers to iron and iron-based alloys (sometimes chromium and manganese). Nonferrous metals are the generic term for all metals except iron and iron-based alloys (sometimes including chromium and manganese). Colored Heavy metals refers to non-ferrous metals with a specific gravity greater than 4.5, including copper, lead, zinc, nickel, cobalt, tin, antimony, mercury, cadmium and bismuth. Colored light metal refers to non-ferrous metals with a specific proportion of less than 4.5, aluminum, magnesium, sodium, calcium, strontium, barium and so on.

Rare metals are non-ferrous metals that are relatively dispersed in the Earth's crust. Also can be divided into ① high melting point: such as titanium, zirconium, vanadium, niobium, tantalum, molybdenum, tungsten, etc. ② light: such as lithium, rubidium, cesium, beryllium, etc. ③ dispersed: such as gallium, occluded, thallium, Germanium, hafnium, rhenium, etc. ④ rare earths: scandium, Yttrium, lanthanum and lanthanum elements, etc. ⑤ Radioactive: such as the elements of the line (thorium, plutonium, uranium, etc.). Precious metals are non-ferrous metals, such as gold, silver, and platinum (platinum, iridium, osmium, palladium), which have a high melting point and expensive 10.4-22.4 in the Earth's crust. Semi-metal refers to the metal and non-metallic non-ferrous metals, such as silicon, selenium, tellurium, boron and so on.