YS/T 1025-2015 High-purity tungsten and tungsten alloy sputtering target used in electronic film

GB/T 1031-1995 Surface roughness parameters and their values GB/T 1031-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Surface roughness parameters and their values GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 3850-1983 Impermeable sintered metal materials and hardmetals—determination of density GB/T 3850-2015 Impermeable sintered metal materials and hardmetals—Determination of density 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 4324.25-2012 Methods for chemical analysis of tungsten—Part 25:Determination of oxygen content—Pulse heating inert gas fusion-infrared absorption method GB/T 4324.26-2012 Methods for chemical analysis of tungsten—Part 26:Determination of nitrogen content—Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry GB/T 4324.27-2012 Methods for chemical analysis of tungsten—Part 27:Determination of carbon content—High frequency combustion-infrared absorption method GB/T 6394-2002 Metal-methods for estimating the average grain size GB/T 6394-2017 Determination of estimating the average grain size of metal GB/T 8651-2002 Metal plates—Flaw detection method by the ultrasonic plate wave GB/T 8651-2015 Flaw detection method by the ultrasonic plate wave for metal plates YS/T 837-2012 Standard practice for ultrasonic C-scan bond evaluation of sputtering target-backing plate assemblies YS/T 900-2013 Methods for chemical analysis of the high purity tungsten—Determination of trace impurity element content—Inductively coupled plasma mass spectrometry YS/T 901-2013 Methods for chemical analysis of high purity tungsten—Determination of trace impurity element content—Glow discharge mass spectrometry GB/T 4324.23-1984 Methods for chemical analysis of tungsten--The combustion-conductometric titration method for the determination of suphur content GB/T 4324.25-1984 Methods for chemical analysis of tungsten--The inert gas fusion-coulometric titration method for the determination of oxygen content GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content GB/T 4324.27-1984 Methods for chemical analysisof tungsten--The combustion-coulometric titration method for the determinationof carbon content YS/T 900-2024 YS/T 900-2024 Welding wire - Method for chemical analysis of high purity tungsten - Determination of trace impurity element content - Inductively coupled plasma mass spectrometry YS/T 901-2024 YS/T 901-2024 Methods for chemical analysis of high purity tungsten - Determination of trace element content - Glow discharge mass spectrometry