GB/T 3879-1983
Replaced
GB/T 26725-2023
Active
National standards
GB/T 26725-2023 Ultrafine tungsten carbide powder
GB/T 26725-2023 Ultrafine tungsten carbide powder
Basic Information
Standard Code:
GB/T 26725-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metal and alloy powders
ICS Name:
Powder metallurgy
Publish Date:
2023-08-06
Implement Date:
2024-03-01
Pages:
7 pages
Scope
This document specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents, and order form content of ultra-fine tungsten carbide powder.
This document is applicable to the production of ultra-fine tungsten carbide powder used in powder metallurgy products such as hard alloys.
Development Information
Replace the following standards
Referenced Standards
GB/T 4324.17-2012 Methods for chemical analysis of tungsten—Part 17:Determination of sodium content—Flame atomic absorption spectrometry
GB/T 4324.18-2012 Methods for chemical analysis of tungsten—Part 18:Determination of potassium content—Flame atomic absorption spectrometry
GB/T 4324.23-2012 Methods for chemical analysis of tungsten—Part 23:Determination of sulfur content—The combustion-conductometric titration and high frequency combustion-infrared absorption method
GB/T 4324.24-2012 Methods for chemical analysis of tungsten—Part 24:Determination of phosphorus content—Molybdemum blue photometry
GB/T 4324.25-2012 Methods for chemical analysis of tungsten—Part 25:Determination of oxygen content—Pulse heating inert gas fusion-infrared absorption method
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.2-2008 Methods for chemical analysis of hardmetals—Determination of insoluble(free) carbon content—Gravimetric method
GB/T 5314-1985 Powders for powder metallurgical purposes—Sampling
GB/T 5314-2011 Powders for powder metallurgical purposes—Sampling
GB/T 19587-2004 Determination of the specific surface area of solids by gas adsorption using the BET method
GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method
YS/T 559-2009 Methods for emission spectrum analysis of tungsten
JB/T 6647-1993 Determination of Total Carbon Content in Carbides by Gas Capacity Method (JB/T 6647-1993)
GB/T 4324.17-1984 Methods for chemical analysis of tungsten--The atomic absorption spectrophotometric method for the determination of sodium content
GB/T 4324.18-1984 Methods for chemical analysis of tungsten--The atomic absorption spectrophotometric method for the determination of potassium content
GB/T 4324.23-1984 Methods for chemical analysis of tungsten--The combustion-conductometric titration method for the determination of suphur content
GB/T 4324.24-1984 Methods for chemical analysis of tungsten--The berylium as carrier precipitation agent-molybdenum blue photometric method for the determination of phosphorus content
GB/T 4324.25-1984 Methods for chemical analysis of tungsten--The inert gas fusion-coulometric titration method for the determination of oxygen content
JB/T 6647-2011 Determination of Total Carbon Content in Carbides by Gas Capacity Method
YS/T 559-2006 Methods for emission spectrum analysis of tungsten
\nYS/T 559-2025 Method for the Emission Spectrum Analysis of Tungsten
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced