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Materials and their characteristics (3) |
Castings and Forgings
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Differences between Casting and Forging Steels There are several different methods and techniques that can be used in manufacturing a variety of different metal components .. |
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Differences between Cast Iron and Cast Steel One of the most popular ways to make lasting and quality components is through castings .. |
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Hot forging As a major metal fabrication, forging is a metal forming technique that uses localized forces of compression .. |
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Cold forging Cold forging, unlike hot forging, deforms metal below its recrystallization point - near or at room temperature .. |
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UNS
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Unified Numbering System The Unified Numbering System (UNS) is an alloy designation system widely accepted in American markets. It consists of a prefix letter and five numbers designating a material composition .. |
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Others
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Thermal Spray Coating Processes Thermal spraying is an industrial coating process in which heated or molten materials are sprayed onto surfaces to create protective layers .. |
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Industrial Painting High-quality painting of piping, equipment and structures, is essential to prevent corrosion. It helps ensure the longevity of a constructed installation and low maintenance costs .. |
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Galvanizing Materials Galvanizing is one of the most widely used to methods for protecting metal from corrosion. It involves applying a thin coating of zinc to a thicker base metal, helping to shield it from the surrounding environment .. |
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Pickling and Passivation Pickling and Passivation are chemical treatments applied to the surface of stainless steel to remove contaminants and assist the formation of a continuous chromium-oxide, passive film .. |
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Fireproofing for Petrochemical facilities The term fireproof does not necessarily mean that an item cannot ever burn.. It relates to measured performance under specific conditions of testing and evaluation .. |
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Cathodic protection Cathodic protection is the supply of direct current to steel objects that are in the ground or water. It is a way of protecting steel objects from corrosion .. |
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Pitting Corrosion Pitting corrosion affects metals and alloys such as steel, iron, aluminum, and others. and is usually confined to specific areas .. |
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Pitting Resistance Equivalent Number The Pitting Resistance Equivalent Number, also known as "PREN", is a numerical value calculated based on the mass fraction of certain elements in the metal .. |
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Cold Welding Cold welding also known as Thread Galling is a phenomenon that can occur during the tightening - mainly at high speed - of threaded connections .. |
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Difference between Teflon™ and PTFE In a world full of acronyms, trade names and technical jargon, it can sometimes be difficult to know what is what. If you're wondering what the difference is between PTFE and Teflon™, this article answers it .. |
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Summary of Chlorine Chlorine is one of the most popular and most frequently used chemical substances. Its properties make this substance unusually versatile, even though it is a very dangerous substance .. |
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