Gb T 37682 2019 Translated English Of Chinese Standard Gbt 37682 2019 Gb T37682 2019 Gbt37682 2019

This Standard specifies the ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, acceptance and quality certification, identification and packaging of large exposed gear steel castings. This Standard applies to the ordering, manufacture, and inspection of large gear steel castings in the form of exposed drive, which are cast using the sand mold.

This Standard specifies the classification, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of rubber antioxidant - polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (hereinafter referred to as rubber antioxidant TMQ).

This Standard specifies a method for evaluating the grooving corrosion of highfrequency electric resistance welded steel pipes by using the constant potential anodic polarization method in a 3.5% NaCl solution. This Standard is applicable to the test of grooving corrosion for carbon steel high frequency electric resistance welded pipes.

This Standard specifies the limit requirements, sample preparation (sampling) rules, test methods and arbitration rules on volatile organic compounds (VOC) of stationery and sport products and parts.

This standard specifies the rules and categories for the application information services classification of Internet of Things. This standard applies to the planning, design, research & development, application of the application system of Internet of Things.

This Standard specifies limit indicators and inspection methods for lead (Pb), cadmium (Cd), hexavalent chromium [Cr(VI)], mercury (Hg) in plastic materials. This Standard is applicable to all kinds of plastic materials, masterbatches and their products, including baby products, food contact materials, electronic and electrical products, automobile products, furniture products, and general plastic products.

This Standard stipulates the classification, code, order content, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of nitriding steels. This Standard is applicable to rolled, forged and cold-drawn nitriding steel bars whose nominal diameter or thickness does not exceed 250 mm.

This standard specifies the classification, code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, markings, quality certificates of axles steel for railway locomotive and wagons. This standard is applicable to the high-quality carbon structural steel and alloy structural steel square steel and round steel for the manufacture of axles for railway locomotive and wagons.