Gb T 37598 2019 Translated English Of Chinese Standard Gbt 37598 2019 Gb T37598 2019 Gbt37598 2019

This Standard specifies to use blue fracture test method to inspect macro nonmetallic inclusions in steel, including sample preparation, inspection method, inspection result and inspection report. This Standard is applicable to inspect macro non-metallic inclusions in steel, of which length is not less than 1mm, width is not less than 0.1mm.

This Standard specifies the test method for fiber shedding performance of the towel products. This Standard is applicable to various towel products taking textile fiber as the raw materials.

This Standard specifies the test method of activity for palladium carbon catalysts. This Standard applies to palladium carbon catalysts of hydrogenation reduction reactions for petrochemical industry, pharmaceutical intermediates, electronics industry, perfume industry, dye industry and other fine chemicals, which takes wood powdered activated carbon as the carrier and palladium as the main active component.

This Standard specifies test principle, instruments and reagents, sampling and preparation of sample, test steps, test result calculation and allowable deviation for coal tar and quinoline-insoluble for pitch products of coal carbonization that uses coal tar to produce. This Standard is applicable to determinations of contents of coal tar and quinoline-insoluble for pitch products of coal carbonization that uses coal tar to produce.

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 types, service quality requirements and service quality evaluation of logistics public information platform. This Standard is applicable to the service and evaluation of logistics public information platform.

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 designation representation, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of wide and heavy steel plate for sour service petroleum and natural gas pipe lines.