Gb T 38191 2019 Translated English Of Chinese Standard Gbt 38191 2019 Gb T38191 2019 Gbt38191 2019

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 stipulates the principle, sampling and sample preparation, reagents, instruments, test procedures and test result of test for neutrality of benzole products. This Standard is applicable to test for neutrality of benzole products, such as crude benzole, which is recovered from coke oven gas; coking benzene, coking toluene and coking xylene, which are obtained from light benzene through hydrogenation and rectification; petroleum benzene, petroleum toluene and petroleum mixed xylene, which are produced from petroleum fraction through catalytic reforming process, etc.

In order to standardize and unify the test methods of concrete physical and mechanical properties, to improve the level of concrete test technology, this standard is hereby formulated. This standard is applicable to the test of physical and mechanical properties of concrete in construction projects. This standard does not apply to fully graded concrete and roller-compacted concrete in water conservancy and hydropower projects.

This Standard specifies the ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, acceptance and delivery, etc. of heavy steel castings. This Standard applies to heavy steel castings cast using the sand mold or casting mold with equivalent thermal conductivity as the sand mold.

This Standard specifies the basic requirements for selection principles and settings of safety accessories and instrument for pressure equipment such as pressure vessels, industrial pipelines, etc. This Standard is applicable to the safety accessories and instruments such as pressure relief devices, emergency shutoff devices, etc. for the pressure equipment like pressure vessels, industrial pipelines, etc.

This Standard specifies general rules, technical requirements, inspection, testing and test requirements, accompanying documents, marks, packaging, transportation and storage for amusement rides coaster category. This Standard is applicable to amusement rides coaster category.

This Standard specifies the general technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of professional clothing. This Standard applies to professional clothing of mass production.

This Standard specifies the technical requirements and matching verification related to the system integration matching of fully-mechanized mining face. This Standard is applicable to the design of the system integration matching of fully-mechanized mining face.