In regards to METAL SURFACE FINISH can you classify two basic types as "ABRASIVE and PHYSICAL"?
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Surface finish is called out as ra, rms, or rz.  They each have their own formula.
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If you are doing it in a laboratory setting, you can mix it with carbon and reduce it to the metal. You will need high temperatures, though.
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Steel, copper, and brass (for casings)
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Silver is a precious metal, very soft and malleable, and not very useful for use in jewelry because it is so easily damaged.\n\n925 silver is 92.5% silver and 7.5% other metals (commonly copper).  As an alloy, the 925 silver is much harder and can stand up to the wear and tear of being used in jewelry.\n\nStainless steel is an alloy of iron and a minimum of 10% chromium.  Most stainless steel formulations have 13% or more chromium.  Many other metals (nickle, carbon, manganese, molybdenum) are added in small amounts to alter various physical and chemical properties of the alloy.
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There are several alloys to choose from including Aluminum, Stainless Steel, and Titanium, depending on the application.  Check out the website below of the manufacturing.
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I think this may help you:\nhttp://www.counteractrust.com/types%20of%20corrosion.htm\n\nor this:\nhttp://www.eaa1000.av.org/technicl/corrosion/types.htm\n\nThere are a great many "types of corrosion" but generally for any given application there will be only a few types that are relevant.
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1: Copper, 2: Aluminum, 3: Stainless steel.
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Are you talking about steel? If so, each one has his own set of possible problems. Most of it depends on chemistry and what the end use is going to be. Take a look at ASTM and API specifications. You might find your answer there. A metallurgist can answer your question.
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touch a metal which is well grounded.
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Magnetic metals can be classified into two  - Soft & Hard materials. Soft metals does not have the capacity to retain magnetic force but Hard materials has the capability to retain the magnetic force so they are termed as Permanent Magnets.\n\nAll Steels comes under Soft magnetic Materials and Iron alos. But to be a Hard magnetic materials, the magnetic materials should posses some specific composition in Alloy form,  Iron is the basic Constitutient, Aluminium, Nickle, Cobalt, Neodymium Samarium as additional constitutients. These type of metals forming into an alloy would result as Magnetic metals
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There is no opposite word for electroplate. The the jewellery and cutlery trade use the terms Solid, Sterling or Britannia to refer to silver which is not plated.
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copper, silver, aluminum, lead, magnesium, platinum and tungsten
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metallic if it is bonded to another metal or ionic if it is bonded to a non-metal.
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solid\nliquid\ngas\nplasma
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Tungsten, the metal , is shiny, it may have a streak. It does not have cleavage, it is not a crystal. It is conductive of heat and electricity, itis malleable, ductile. Wolframite, its ore, will have a streak and cleavage.
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Traditionally, metals have certain characteristic physical properties: they are usually shiny (they have "lustre"), have a high density, are ductile and malleable, usually have a high melting point, are usually hard, and conduct electricity and heat well. However this is mainly because the low density, soft, low melting point metals happen to be reactive, and we rarely encounter them in their elemental, metallic form. Metals are also sonorous, which means that they conduct sound well.\n\nAnd not all metals are magnetic!\n\nPalladium is a soft silver-white metal that resembles platinum. It doesn't tarnish in air. Palladium is the least dense and has the lowest melting point of the platinum group metals. It is soft and ductile when annealed and greatly increases its strength and hardness when it is cold-worked. Palladium is chemically attacked by sulfuric and nitric acid but dissolves slowly in hydrochloric acid. This metal also does not react with oxygen at normal temperatures.
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2 main types i know of only. Water tubes n smoke tubes.of course for each of these they have their sub classes. if u go by the brand n features to further classify them, the list is probably very long.