GB/T 21182-2022 (English Version) PDF

Standard No.: GB/T 21182-2022
Language: Chinese, Available in English version
Release Date: 2022
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21182-2022
Replace: GB/T 21182-2007

Scope: This document specifies the classification, technical requirements, test methods, inspection rules, signs, packaging, transportation, storage, accompanying documents and order form of cemented carbide waste. This document applies to the recyclable residues and wastes containing tungsten and cobalt generated during the production and use of cemented carbide products (hereinafter referred to as cemented carbide waste).

GB/T 21182-2022 Referenced Document

GB/T 20255.1 Methods for chemical analysis of hardmetals. Determination of calcium,potassium,magnesium and sodium contents. Flame atomic absorption spectrometric method
GB/T 26050 Hardmetals.Determination of contents of metallic elements by X-ray fluorescence.Fusion method
GB/T 4324.11 Methods for chemical analysis of tungsten.Part 11:Determination of aluminum content.Inductively coupled plasma atomic emission spectrometry
GB/T 5124.1 Methods for chemical analysis of hardmetals.Determination of total carbon content.Gravimetric method
GB/T 5124.2 Methods for chemical analysis of hardmetals.Determination of insoluble (free) carbon content.Gravimetric method
GB/T 5314 Powders for powder metallurgical purposes.Sampling