Gb T 37619 2019 Translated English Of Chinese Standard Gbt 37619 2019 Gb T37619 2019 Gbt37619 2019

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 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 product classification, technical requirements, test methods, inspection rules, marking, package, transportation, storage, quality certificate, and ordering form (or contract) contents of platinum ingots. This Standard is applicable to the platinum ingots produced by the platinum-contained raw materials.

This Standard stipulates the structural features, technical requirements and test methods of nickel alloy self-lubricated bearing material. This Standard is applicable to nickel alloy self-lubricated bearing material.

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 stipulates contact corrosion test method of packaging materials against the contacted metallic surface. It includes test environment conditions, reagents, test materials, instruments and equipment, samples, test procedures and test report. This Standard is applicable to contact corrosion test of packaging materials against steel and aluminum. The contact corrosion test against the surface of other metallic materials may take this as a reference.

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 the unique indication or display content of the instrumentation for electric vehicle. This Standard is applicable to the electric vehicle.