GB/T 26055-2022 (English Version) PDF

Standard No.: GB/T 26055-2022
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 26055-2022
Replace: GB/T 26055-2010

Scope: This document specifies the classification, technical requirements, test methods, inspection rules, signs, packaging, transportation, storage, accompanying documents and order form of recycled tungsten carbide powder. This document is applicable to recycled tungsten carbide powder produced by electrolytic process using recycled cemented carbide as raw material.

GB/T 26055-2022 Referenced Document

GB/T 1480 Metallic powders.Determination of particle size by dry sieving
GB/T 26050 Hardmetals.Determination of contents of metallic elements by X-ray fluorescence.Fusion method
GB/T 3249 Test method for Fisher number of metal powders and related compounds
GB/T 4324.12 Methods for chemical analysis of tungsten.Part 12:Determination of silicon content.Chlorization-molybdenum blue spectrophotometry
GB/T 4324.25 Methods for chemical analysis of tungsten.Part 25:Determination of oxygen content.Pulse heating inert gas fusion -infrared absorption method
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