Articles: Metallurgy

ring joint gasket
WEALSON Ring joint gaskets are metallic sealing rings suitable for high pressure and high temperature applications and are fitted in ring groove type flanges. They are widely used in the Oil / Petrochemical industry and in valves and pipe work. Choic More

Non-asbestos gasket
WEALSON Non-asbestos gasket are made of special sealing materials of synthetic fiber with macromolecular, which are mixed with special inorganic minerals packing to resistant high temperature. Gasket are widely used in the industries such as gas, hyd More

Metals and alloys.
Metallurgy- is the area of materials technology studying physical and chemical behavior of metals and alloys The practical use of available knowledge about the metals refers to metallurgy also- from the extraction of raw materials to delivering of More

Iron industry
Iron industry forms a basis of development of mechanical engineering (one third of made metal goes to mechanical engineering) and buildings (1/4 metals go to building). Iron Industry consists of the next main branches: • Exploitation and enrichment More

Types of ores
Poor ore is an ore in which maintenance of a useful component (metal, a mineral) costs on the verge seed; such ore demands enrichment. Rich ore is an ore with high, in 2-3 times above seed maintenances of useful components (metal, a mineral). M More

Production, extraction and copper stores
World extraction of copper in 2000 made nearby 15 million tons, in 2004 — nearby 14 million tons. World's reserves in 2000, according to experts, made 954 million tons, 687 million tons of them - the confirmed stores, on a share of Russia is 3,2 % of More
