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Steels, Chemical analysis and testing, Determination of content, Boron, Spectrophotometry, Distillation methods of analysis, Curcumin
This document specifies the technical requirements, test methods, inspection rules, marks, quality specifications, packaging, transportation and storage, supplementary requirements for steel castings for pressure purposes. This Standard applies to steel castings for pressure purposes that are made of carbon steel and alloy steel.
This standard specifies the grade indication method, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high strength low alloy structural steel. This standard is applicable to high strength low alloy structural steel plates, steel strips, steel sections, steel bars, etc. for general structural and engineering purposes. Its chemical composition is also applicable to steel billets.
This Standard specifies the designation, ordering content, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certification of structural steel plates for wind power tower. This Standard applies to structural steel plates for wind power tower with the thickness of 6 mm ~ 100 mm.
This document specifies the classification and designations, order content, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of structural steel for ship and ocean engineering. This document is applicable to steel plates (with a thickness of not greater than 150 mm) for the manufacturing of hull structures, such as: ocean-going, coastal and inland navigation ships and fishing boats, etc., steel plates (with a thickness of not greater than 250 mm) for ocean engineering structures, steel strips and shear plates with a thickness of not greater than 25.4 mm, and profile steel with a thickness of not greater than 50 mm or steel bars with a diameter of not greater than 50 mm (hereinafter referred to as the steel).
This document stipulates the designation representation, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high manganese steel with specified low temperature properties for pressure equipment. This document applies to high manganese steel with specified low temperature properties (hereinafter referred to as steel plates) with an operating temperature of not less than -196 ??C and a thickness of 5 mm ~ 60 mm.
This Standard specifies the ordering content, designation representation, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking, and quality certificate, etc. of chromium molybdenum alloy steel plate for hydrogen service equipment. This Standard is applicable to the manufacture of chromium molybdenum alloy steel plate (hereinafter known as steel plate for short) with a thickness of 6 mm ~ 200 mm for hydrogen service equipment of petrochemical and coal chemical industry.