Standards

YB/T 6033-2022 Active

YB/T 6033-2022 Metallurgical rolling machine frame online repairing technical specification

This document specifies the terms and definitions, failure parts and manifestations, repair methods, technical requirements, inspection methods, inspection rules, protection, and technical data to be submitted for the online repair of metallurgical rolling mill frames. This document is applicable to the online repair of metallurgical rolling mill frames, and it is also applicable to the online repair of similar metallurgical equipment.

Publish Date: 2022-09-30

YB/T 5146-2022 Active

YB/T 5146-2022 The determination of ash content in high purity graphite products

This document specifies the principles of ash determination for high-purity graphite products, the instruments and equipment used, the samples, the experimental steps, the calculation of results, and the experimental report. This document is applicable to the determination of ash in graphite products with an ash content of less than 0.1%.

Publish Date: 2022-09-30

YB/T 6053-2022 Active

YB/T 6053-2022 Bale tie made from continuous hot-dip galvanized steel strip

This document specifies the method of designating the grades of continuous hot-dipped galvanized steel strips used for bundling, as well as their classification and designations, dimensions, shapes, weights, technical requirements, inspections and tests, packaging, markings, and quality certificates. This document is applicable to the manufacture of continuous hot-dipped galvanized and aluminum-zinc alloy-coated steel strips with a thickness of 0.4 mm to 1.2 mm, which are used for bundling purposes.

Publish Date: 2022-09-30

YB/T 6052-2022 Active

YB/T 6052-2022 Anti-Hydrogen Sulfide Corrosion Steel Plate

This document specifies the terms and definitions of steel plates resistant to wet hydrogen sulfide corrosion, order contents, grade designation methods, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates. This document is applicable to carbon steel and low-alloy steel plates used in the manufacture of equipment resistant to wet hydrogen sulfide corrosion in petrochemical and other industries, with a thickness not exceeding 250 mm.

Publish Date: 2022-09-30

YB/T 6051-2022 Active

YB/T 6051-2022 The determination of benzene content in coal tar gas using gas chromatography

This document specifies the determination principle of benzene content in gas by gas chromatography, reagents and materials, instruments and equipment, test steps, result calculation, precision, and test report. This document is applicable to the determination of benzene content in coke oven gas produced during the coking process.

Publish Date: 2022-09-30

YB/T 6050-2022 Active

YB/T 6050-2022 YB/T 6050-2022 Metallurgical coking, sintering, agglomeration automatic sampling control system technical specification

This document specifies the basic requirements for the integrated system of automatic sampling and control for coking coal blending, sintering ore batching, and pellet ore batching. It also outlines the basic requirements for sampling units, sample preparation units, and control units. This document is applicable to coking coal blending production lines, sintering ore batching production lines, and pellet ore batching production lines.

Publish Date: 2022-09-30

YB/T 6049-2022 Active

YB/T 6049-2022 Method for determining the tensile strength index of needle-like graphite residue

This document specifies the instruments and equipment, samples, test procedures, calculation methods, allowable deviations, and test reports for determining the compression strength index of needle coke. This document is applicable to the determination of the compression strength index of particles with no fixed shape, such as intermediate-phase coke, needle coke from coal sources, and needle coke from oil sources.

Publish Date: 2022-09-30

YB/T 6048-2022 Active

YB/T 6048-2022 Method for Thermal Loss of Coal Tar Asphaltene Content

This document specifies the principles of the thermal weight loss test for coal tar, the instruments and equipment used, the preparation of samples, the test procedures, and the test results. This document is applicable to the thermal weight loss test method for raw products made with coal tar as a binder.

Publish Date: 2022-09-30

YB/T 6047-2022 Active

YB/T 6047-2022 Borate-impregnated antioxidant graphite electrode

This document specifies the technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for borate-impregnated oxidation-resistant graphite electrodes, as well as their transportation and storage. This document applies to oxidation-resistant graphite electrodes made from mechanically processed graphite electrodes that have undergone borate impregnation and are used as conductive materials in electric arc furnaces.

Publish Date: 2022-09-30

YB/T 6046-2022 Active

YB/T 6046-2022 The method for measuring the thermal expansion coefficient of isostatic graphite

This document specifies the requirements for isostatic graphite thermal expansion coefficient instruments and equipment, sample requirements, test procedures, result calculation, allowable deviations, and test reports. This document is applicable to the determination of the linear thermal expansion coefficient of isostatic graphite using a push rod thermal expansion instrument, and other carbon materials can be used for reference.

Publish Date: 2022-09-30

YB/T 6045-2022 Active

YB/T 6045-2022 Microstructure determination method for carbon materials

This document specifies the reagents and materials, instruments and equipment, samples, analysis steps and results, and test reports for the determination of the microstructure of carbon materials. This document is applicable to the analysis of the optical microstructure of carbon materials.

Publish Date: 2022-09-30

YB/T 6044-2022 Active

YB/T 6044-2022 The method for determining the thermal conductivity of carbon materials

This document specifies the terms and definitions, principles, instruments and equipment, samples, test procedures, test results, and test reports for the thermal resistivity of carbon materials. This document is applicable to the determination of the resistivity of carbon materials by the four-probe method in a temperature range of room temperature to 1600°C and below. For other temperature environments, please refer to the corresponding usage instructions.

Publish Date: 2022-09-30