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Materials and their characteristics (1) |
Effects and Economic impact of Corrosion
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What is Corrosion? Corrosion is degradation of materials properties due to interactions with their environments, and corrosion of most metals (and many materials for that matter) is inevitable. .. |
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Corrosion Under Insulation (CUI) CUI is a common problem shared by the refining, petrochemical, power, industrial, onshore and offshore industries. Corrosion under insulation is difficult to find because of the insulation cover that masks the corrosion problem until it is too late. .. |
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Microbiologically Induced Corrosion (MiC) One of the more unusual forms of corrosion results from the interaction of bacteria with a wide range of metals and alloys. Microbiologically Induced Corrosion (MIC) technically functions as an accelerant to more conventional corrosion processes .. |
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Corrosion Allowance By knowing the expected general corrosion rate and the anticipated plant or service life of a part, the designer can calculate the extra thickness required for corrosion resistance of the process equipment being designed .. |
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Corrosion Inhibitors Corrosion inhibitors are chemicals that help reduce the rate of corrosion in a material without significantly changing the concentration of a corrosive agent .. |
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White Rust When zinc or aluminum turns white, many people don't really know what causes this to happen. The article tries to explain the phenomenon .. |
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Sour Service Sour service refers to oil and gas exploration and production environments where sufficient hydrogen sulfide (H2S) gas is present to crack metal materials. Hydrogen sulfide is highly flammable and explosive; it is lethal even at very low concentrations .. |
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Hydrogen Induced Cracking Pipelines and pressure vessels made of carbon steel and low-alloy steel can exhibit hydrogen-induced cracking (Hydrogen Induced Cracking, HIC) in a wet environment with hydrogen sulfide in the oil and gas industry .. |
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Material strength
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Ultimate Tensile Strength Ultimate tensile strength (or tensile strength for short) is an important property of materials to determine their mechanical performance .. |
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ASTM grades
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Piping materials comparison table A material comparison table for piping shows most commonly used ASTM grades .. |
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Stainless Steel
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Stainless Steel 316/304 vs 316L/304L As American Iron and Steel Institute (AISI) basic grades, the only practical difference between 304 / 316 and 304L / 316L is carbon content; the [L] means the lower carbon content .. |
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Does Stainless Steel rust? Even with impressive properties, stainless steel can and does rust; after all, it is "stainless" and not "stainfree" .. |
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Is Stainless Steel magnetic? Most people are not sure whether stainless steel is magnetic or non-magnetic .. |
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Fabrication of Stainless Steel Stainless steel can be fabricated using all traditional forming methods. Austenitic stainless steel can be rolled, spun, deep drawn, cold forged, hot forged, or stamped using force and tension .. |
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