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ASTM B621 is a standard specification for nickel-iron-chromium-molybdenum alloy (UNS N08320) rods, and the following is a detailed breakdown of the standard: 1. Overview of the standard Standard number: ASTM B621 Scope of application: The ASTM B621 standard regulates the requirements for the chemical composition, dimensional tolerance, mechanical properties, manufacturing process, inspection and testing of nickel-iron-chromium-molybdenum alloy (UNS N08320) rods. Second, the main requirements The ASTM B621 standard specifies in detail the following aspects of nickel-iron-chromium-molybdenum alloy (UNS N08320) rods: Chemical composition: The content range of various elements in the alloy is specified to ensure that the chemical composition of the product meets the requirements of the standard. Dimensional tolerance: The dimensional tolerance of the diameter, length and other dimensions of the rod is specified to ensure the dimensional accuracy of the product. Mechanical properties: including test methods and requirements for tensile strength, yield strength, elongation and other indicators to ensure that the mechanical properties of the product meet the needs of use. Manufacturing process: It covers the manufacturing process of the rod, such as hot working, cold working, solution annealing, grinding or turning, etc., to ensure that the manufacturing process of the product meets the standard requirements. Inspection and testing: Specifies the inspection and testing methods of products, including chemical composition analysis, mechanical property testing, dimensional measurement, etc., to ensure that the quality of products meets the requirements of the standard. Third, the field of application This alloy rod is suitable for general corrosive environments and is widely used Various areas such as: petroleum chemical industry marine engineering and other fields. 4. Precautions When selecting and using ASTM B621 standard nickel-iron-chromium-molybdenum alloy (UNS N08320) rods, it should be ensured that the product meets the requirements specified in the standard. In the process of processing and use, the relevant safety operation procedures and standards should be strictly adhered to to ensure the safety of personnel and equipment. As technology continues to advance and the market continues to evolve, the ASTM B621 standard may also be revised and updated. Therefore, when using the standard, attention should be paid to its latest version and revisions. In short, ASTM B621 is an important standard specification for nickel-iron-chromium-molybdenum alloy (UNS N08320) rods, which specifies in detail the requirements for alloy composition, dimensional tolerances, mechanical properties, manufacturing processes, and inspection and testing, etc., and provides an important technical basis and guarantee for the production and use of related products.Huanickel?related?products?strictly?implement?this?standard.?For?more?information?about?the?standard?and?the?corresponding?product?information,[email protected] |