Standards

YB/T 5266-2023 Active

YB/T 5266-2023 Electric fusion magnesia ash

This document specifies the grades, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and quality certificates of electrofused magnesia sand. This document is applicable to the production of refractory materials and other uses of electrofused magnesia sand.

Publish Date: 2023-12-20

YB/T 6139.2-2023 Active

YB/T 6139.2-2023 The testing methods for graphite-based negative electrode materials Part 2: Determination of oil absorption value. (Note: This is a translation only and not a formal standard.)

This document specifies the principles, test preparation, test steps, result calculation and data processing, as well as the precision and test report for using the oil absorption tester to test the oil absorption value of graphite anode materials. This document is applicable to the determination of the oil absorption value of graphite-based anode materials.

Publish Date: 2023-12-20

YB/T 6139.1-2023 Active

YB/T 6139.1-2023 Test Methods for Graphite-based Anode Materials Part 1: Determination of Graphitization Degree

This document specifies the terms and definitions, principles, experimental steps, precision, and test reports for the determination of the graphitization degree of graphite-based anode materials. This document is applicable to the determination of the graphitization degree of graphite-based anode materials using an X-ray diffractometer.

Publish Date: 2023-12-20

YB/T 6138-2023 Active

YB/T 6138-2023 YB/T 6138-2023 Coal tar pitch for spinning

This document specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and quality certificates for coking spinnable pitch. This document is applicable to coking spinnable pitch obtained through the deep processing of coal tar, which is used in the production of high-performance asphalt-based carbon fibers, needle coke for ultra-high power electrodes, mesophase carbon microspheres, high-thermal conductivity foam carbon, and ultra-high surface area activated carbon, etc.

Publish Date: 2023-12-20

YB/T 6137-2023 Active

YB/T 6137-2023 Determination of Content of Coal Tar Tartrate, Phenanthrene, Acenaphthene, Fluorene by Gas Chromatography

This document specifies the testing principles, reagents and materials, instruments and equipment, samples, testing steps, calculation methods, precision, and test reports for the determination of benzopyrene, acenaphthene, and fluoranthene in coal tar by gas chromatography. This document is applicable to the determination of benzopyrene, acenaphthene, and fluoranthene in coal tar produced during coking.

Publish Date: 2023-12-20

YB/T 6136-2023 Active

YB/T 6136-2023 Track rail eddy current detection method

This document specifies the principles, general requirements, comparison samples, testing equipment, testing procedures, result evaluation, and testing reports for eddy current testing of steel rails. This document is applicable to eddy current testing of steel rails with symmetrical and asymmetrical cross-sections ranging from 43 kg/m to 75 kg/m. Eddy current testing of other steel rails can also be conducted with reference to this document.

Publish Date: 2023-12-20

YB/T 6135-2023 Active

YB/T 6135-2023 Rebar low-temperature tensile testing method

This document specifies the terms and definitions, symbols and explanations, principles, test equipment, specimens, test requirements, performance determination, and numerical rounding of test results for the low-temperature tensile test of reinforcing steel. This document is applicable to the tensile test of reinforcing steel in the temperature range of -170℃ to <10℃.

Publish Date: 2023-12-20

YB/T 4371-2023 Active

YB/T 4371-2023 Oil and gas well perforation gun used seamless steel pipe

This document specifies the order content, dimensions, appearance, weight, and allowable deviations of seamless steel pipes used in oil and gas well perforating guns, as well as technical requirements, testing methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to seamless steel pipes used in oil and gas well perforating guns.

Publish Date: 2023-12-20

YB/T 6134-2023 Active

YB/T 6134-2023 The centrifuge cast iron pipe mold used for hot-rolled seamless steel pipe

This document specifies the ordering content, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of hot-rolled seamless steel pipes used for centrifugal ductile iron pipe molds. This document is applicable to hot-rolled seamless steel pipes used for centrifugal ductile iron pipe molds.

Publish Date: 2023-12-20

YB/T 6133-2023 Active

YB/T 6133-2023 The arm of a ladder truck is made of special-shaped seamless steel tube

This document specifies the ordering content, dimensions, appearance, weight, and allowable deviations of special-shaped seamless steel pipes used for the booms of aerial ladders; technical requirements; test methods; inspection rules; packaging; marking; and quality certificates. This document is applicable to special-shaped seamless steel pipes used for the booms of aerial ladders, as well as for bridge inspection vehicles, elevating work platforms, and other vehicles with booms.

Publish Date: 2023-12-20

YB/T 6132-2023 Active

YB/T 6132-2023 Steel industry rolling production line energy management system technical requirements

This document specifies the overall technical requirements and system architecture for the construction of an energy management system for rolling mill production lines in the steel industry. This document is applicable to the new construction and renovation of energy management systems for rolling mill production lines in the steel industry.

Publish Date: 2023-12-20

YB/T 6131-2023 Active

YB/T 6131-2023 Steel industry equipment condition monitoring and fault early warning system technical requirements

This document specifies the technical requirements for the system architecture, data collection, data storage, and system function composition of the equipment condition monitoring and fault early warning system in the steel industry. This document is applicable to the construction and modification of the condition monitoring and fault early warning systems for process equipment and major auxiliary equipment in the steel industry.

Publish Date: 2023-12-20