GB/T 2967-2017 Cast tungsten carbide powder

GB/T 2967-2008 Cast tungsten carbide powder

GB/T 1479.1-2011 Metallic powders—Determination of apparent density—Part 1:Funnal method GB/T 1480-1995 Determination of particle size for metallic powders—Dry sieving GB/T 1480-2012 Metallic powders—Determination of particle size by dry sieving GB/T 1482-1984 Metallic powders—Determination of flowability by means of a calibrated funnel (Hall flowmeter) GB/T 1482-2010 Metallic powders—Determination of flow time by means of a calibrated funnel (Hall flowmeter) GB/T 1482-2022 Metallic powders—Determination of flow rate—Calibrated funnel methods(Hall flowmeter) GB/T 3488.1-2014 Hardmetals—Metallographic determination of microstructure—Part 1:Photomicrographs and description GB/T 4324.7-2012 Methods for chemical analysis of tungsten—Part 7:Determination of cobalt content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.8-2008 Methods for chemical analysis of tungsten—Determination of nickel content—The inductively coupled plasma atomic emission spectrometry、flame atomic absorption spectrometry and dimethylglyoxime gravimetry GB/T 4324.20-2012 Methods for chemical analysis of tungsten—Part 20:Determination of vanadium content—Inductively coupled plasma atomic emission spectrometry GB/T 4324.21-2012 Methods for chemical analysis of tungsten—Part 21:Determination of chromium content—Inductively coupled plasma atomic emission spectrometry 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 4324.28-2012 Methods for chemical analysis of tungsten—Part 28:Determination of molybdenum content—The thioyanate spectrophotometry GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content GB/T 5124.1-2008 Methods for chemical analysis of hardmetals—Determination of total carbon content—Gravimetric 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 26050-2010 Hardmetals—Determination of contents of metallic elements by X-ray fluorescence—Fusion method GB/T 26050-2024 Hardmetals—Determination of contents of metallic elements—X-ray fluorescence spectrometry GB/T 3488.1-2024 Hardmetals—Metallographic determination of microstructure—Part 1:Photomicrographs and description GB/T 4324.7-1984 Methods for chemical analysis of tungsten--The 5-Cl-PADAB photometric method for the determination of cobalt content GB/T 4324.20-1984 Methods for chemical analysis of tungsten—The N-benzoyl-N-phenylhydroxylamine photometric method for the determination of vanadium content GB/T 4324.21-1984 Methods for chemical analysis of tungsten--The diphenylcarbazide photometric method for the determination of chromium 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 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 1480-2025 Metallic powders—Determination of particle size by dry sieving