GB/T 26726-2019 Active National standards

GB/T 26726-2019 Ultrafine tungsten powder

GB/T 26726-2019 Ultrafine tungsten powder

Publish Date: 2019-08-30 Implement Date: 2020-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 26726-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Metal and alloy powders

ICS Name: Powder metallurgy

Publish Date: 2019-08-30

Implement Date: 2020-07-01

Pages: 7 pages

Scope

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, storage, quality certificates, and contract (or purchase order) contents for ultra-fine tungsten powder. This standard applies to ultra-fine tungsten powder produced by reducing tungsten oxide with hydrogen.

Development Information

Word Count: 12 Thousand words Pages: 7 pages

Replace the following standards

GB/T 26726-2011 Superfine tungsten powder

Referenced Standards

GB/T 4324.28-1984 Methods for chemical analysis of tungsten--The thiocy anate photometric method for the determin-ation of molybdenum content GB/T 4324.29-1984 Methods for chemical analysis of tungsten--The gravimetric method for the determination of residue content after chloride volatility GB/T 4324.30-1984 Methods for chemical analysis of tungsten--The gravimetric method for the determination of loss content on ignition 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 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 3879-1983 Replaced

GB/T 3879-1983 The material blanks of steel bonded carbide

Publish Date: 1983-10-10

GB/T 4309-1984 Replaced

GB/T 4309-1984 Classification and designation for powder metallurgy materials

Publish Date: 1984-03-27

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

Publish Date: 1985-04-24

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

Publish Date: 1985-04-24

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

Publish Date: 1985-04-24

GB/T 5124.4-1985 Replaced

GB/T 5124.4-1985 Methods for chemical analysis of hardmetals—The photometric peroxide method for the determination of titanium content

Publish Date: 1985-04-24