Standards

YB/T 6284-2024 Active

YB/T 6284-2024 YB/T 6284-2024 Steelmaking Raw Iron Pre-treatment with Calcium-based Desulfurization Agent: Determination of Oxide Calcium, Magnesium Oxide, Silicon Dioxide, Aluminum Oxide Trioxide, and Calcium Fluoride Content by Wavelength Dispersive X-Ray Fluorescence Spectrometry

This document specifies the method of determining the content of calcium oxide, magnesium oxide, silica, aluminum oxide, and calcium fluoride in calcium-based desulfurizers used for pre-treatment of steelmaking molten iron by wavelength-dispersive X-ray fluorescence spectrometry. This document is applicable to the determination of the content of calcium oxide, magnesium oxide, silica, aluminum oxide, and calcium fluoride in calcium-based desulfurizers used for pre-treatment of steelmaking molten iron.

Publish Date: 2024-10-24

YB/T 6283-2024 Active

YB/T 6283-2024

This document specifies the definition, equipment, and testing methods for the melting time of continuous casting protective slag. This document is applicable to the determination of the melting time of continuous casting protective slag.

Publish Date: 2024-10-24

YB/T 6282-2024 Active

YB/T 6282-2024 YB/T 6282-2024 Determination of multi-element content of bauxite using serpentine by wavelength dispersive X-ray fluorescence spectroscopy

This document specifies the method for determining the contents of calcium oxide, magnesium oxide, silica, aluminum oxide, iron oxide, manganese oxide, phosphorus pentoxide, and sulfur in metallurgical serpentine by wavelength dispersive X-ray fluorescence spectrometry. This document is applicable to the determination of the contents of calcium oxide, magnesium oxide, silica, aluminum oxide, iron oxide, manganese oxide, phosphorus pentoxide, and sulfur in metallurgical serpentine.

Publish Date: 2024-10-24

YB/T 6281-2024 Active

YB/T 6281-2024 YB/T 6281-2024 Determination of Multi-element Content of Kaolinite for Metallurgy - Wavelength Dispersive X-Ray Fluorescence Spectrometry (Wavelength Dispersive XRF)

This document specifies the method for determining the content of calcium oxide, magnesium oxide, silica, aluminum oxide, iron oxide, manganese oxide, phosphorus pentoxide, and sulfur in metallurgical wollastonite by wavelength-dispersive X-ray fluorescence spectrometry. This document is applicable to the determination of the content of calcium oxide, magnesium oxide, silica, aluminum oxide, iron oxide, manganese oxide, phosphorus pentoxide, and sulfur in metallurgical wollastonite.

Publish Date: 2024-10-24

YB/T 6279-2024 Active

YB/T 6279-2024 YB/T 6279-2024 Silicon Stone Determination of Iron, Aluminum, Calcium, Boron, Phosphorus Content by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES)

This document specifies the method of determining the iron, aluminum, calcium, boron, and phosphorus content in silica used for the production of industrial silicon by inductively coupled plasma atomic emission spectrometry. This document is applicable to the determination of the iron, aluminum, calcium, boron, and phosphorus content in silica.

Publish Date: 2024-10-24

YB/T 190.15-2024 Active

YB/T 190.15-2024 YB/T 190.15-2024 Determination of Silicon Dioxide, Calcium Oxide, Magnesium Oxide, Aluminum Oxide Dioxide, Phosphorus Dioxide, Total Iron, and Manganese in Continuous Casting Slag by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) method

This document specifies the method for determining the contents of silica, calcium oxide, magnesium oxide, aluminum oxide, phosphorus pentoxide, total iron, and manganese oxide in continuous casting protective slag by inductively coupled plasma atomic emission spectrometry. This document is applicable to the determination of the contents of silica, calcium oxide, magnesium oxide, aluminum oxide, phosphorus pentoxide, total iron, and manganese oxide in continuous casting protective slag.

Publish Date: 2024-10-24

YB/T 6278-2024 Active

YB/T 6278-2024 YB/T 6278-2024 Steel-melting protective slag strength test method

This document specifies the terms and definitions, principles, instruments and equipment, sample preparation, test procedures, result calculation and presentation, and precision and test reports for the strength test of continuous casting protective slag. This document is applicable to the determination of the strength of hollow granular continuous casting protective slag.

Publish Date: 2024-10-24

YB/T 5194-2024 Active

YB/T 5194-2024 YB/T 5194-2024 Re-modified Bitumen。

This document specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, and quality certificates for modified asphalt, as well as safety precautions. This document is applicable to modified asphalt produced through the deep processing of coal tar.

Publish Date: 2024-10-24

YB/T 5299-2024 Active

YB/T 5299-2024

This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and quality certificates for asphalt coke. This document is applicable to coal tar-derived coal asphalt (soft asphalt) and asphalt coke produced by delayed coking.

Publish Date: 2024-10-24

YB/T 6276-2024 Active

YB/T 6276-2024 YB/T 6276-2024 Uniaxial Focal Depth

This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and quality certificates for isotropic coke. This document is applicable to isotropic coke made from coal tar as raw material, which is prepared by pre-conditioning the raw material, delayed coking, and high-temperature calcination.

Publish Date: 2024-10-24

YB/T 6275-2024 Active

YB/T 6275-2024 YB/T 6275-2024 Determination of content of alpha- and beta-methyl naphthalene in washing oil by gas chromatography

This document specifies the test principles, instruments, test steps, test results, allowable deviations, and test reports for determining the content of α-methylnaphthalene and β-methylnaphthalene in washing oil by gas chromatography. This document is applicable to the determination of the content of α-methylnaphthalene and β-methylnaphthalene in washing oil.

Publish Date: 2024-10-24

YB/T 6274-2024 Active

YB/T 6274-2024 YB/T 6274-2024 Coking Coal Density Performance Test Method

This document specifies the principles of the performance determination method for the horizontal shear strength, vertical shear strength, and compressive strength of coking coal compacted briquette samples, including sample collection and preparation, instrumentation and materials, test procedures, calculation of test results, and precision. This document is applicable to the performance determination of coking coal compacted.

Publish Date: 2024-10-24