The introduction of black metal and nonferrous metal

1, black metal

It is the alloy that points to iron and iron. Be like steel, cast iron, ferroalloy, cast-iron etc. Steel and cast iron are it is bedrock with iron, it is an alloy that should add an element with carbon, a general designation is iron carbon alloy.

Cast iron is the commodity that in pointing to an iron ore to put blast furnace, take exercise and becomes, principal use steel-making and the cast that make.

Forging cast iron is put in the fusion in frit iron furnace, get namely cast-iron (fluid shape, the quantity that contain carbon is more than the iron carbon alloy of 2.11% ) , fluid shape cast-iron mould becomes cast, this kind cast-iron cry cast-iron.

Ferroalloy is the alloy that comprises by the element such as iron and silicon, manganese, chromic, titanium, ferroalloy is one of material of steel-making, the deoxidizer that makes steel when steel-making and alloying element increase an agent to use.

The quantity that contain carbon calls steel under the iron carbon alloy of 2.11% , put steel-making to steel-making with cast iron sure technology fusion is pressed inside furnace, get steel namely. The commodity of steel has the steel ingot, base that connect casting and direct casting to wait into all sorts of steel cast. The steel that tells normally, it is the steel that shows rolling becomes all sorts of rolled steel normally.

2, nonferrous metal

Say to be not iron metal again, point to the metal outside dividing black metal and alloy, wait like copper, stannum, lead, zinc, aluminium and alloy of brass, bronze, aluminium alloy and bearing. Still choose chromic, nickel, manganese, molybdenum, cobaltic, vanadium, tungsten, titanium to wait on industry additionally, these metals are first use as alloy subsidiary, in order to improve metallic function, among them the much in order to such as tungsten, titanium, molybdenum produces the hard metal that cutting tool uses. These nonferrous metal call above industrial metal, still have precious metal in addition: Platinic, gold, silver with rare metal, include emissive uranium, radium to wait.

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