GB/T 5242-2017 Inspection rules and test methods of cemented carbide products

GB/T 5242-2006 Check rules and test methods of cemented carbide products

GB/T 1817-1995 Test method of impact toughness of cemented carbides at room temperature GB/T 1817-2017 Test method for impact toughness of cemented carbidesat room temperature GB/T 3488-1983 Hardmetals—metallographic determination of microstructure GB/T 3488.1-2014 Hardmetals—Metallographic determination of microstructure—Part 1:Photomicrographs and description GB/T 3488.2-2018 Hardmetals—Metallographic determination of microstructure—Part 2:Measurement of WC grain size GB/T 3488.3-2021 Hardmetals—Metallographic determination of microstructure—Part 3:Measurement of microstructural features in Ti (C,N) and WC/cubic carbide based hardmetals GB/T 3488.4-2022 Hardmetals—Metallographic determination of microstructure—Part 4:Characterisation of porosity,carbon defects and eta-phase content GB/T 3489-1983 Hardmetals—Metallographic determination of porosity and uncombined carbon GB/T 3489-2015 Hardmetals—Metallographic determination of porosity and uncombined carbon GB/T 3848-1983 Hardmetals—determination of (the magnetization) coercivity GB/T 3848-2017 Hardmetals—Determination of(the magnetization) coercivity GB/T 3849-1983 Hardmetals—Rockwell hardness (scale A) test method GB/T 3849.1-2015 Hardmetals—Rockwell hardness test(scale A)—Part 1:Test method GB/T 3849.2-2010 Hardmetals—Rockwell hardness test (scale A)—Part 2:Preparation and calibration of standard test blocks 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 3851-1983 Hardmetals—determination of transverse rupture strength GB/T 3851-2015 Hardmetals—Determination of transverse rupture strength 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 5124.1-1985 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 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content GB/T 5124.3-2017 Hardmetals—Part 3:Determination of cobalt—Potentiometric method GB/T 5124.4-1985 Methods for chemical analysis of hardmetals—The photometric peroxide method for the determination of titanium content GB/T 5124.4-2017 Hardmetals—Part 4:Determination of titanium content—Photometric peroxide method GB/T 5166-1998 Sintered metal materials and hardmetals—Determination of Young's modulus GB/T 5166-2023 Determination of elasticity modulus for sintered metal materials and hardmetals GB/T 7997-1987 Hardmetals—Vickers hardness test GB/T 7997-2014 Hardmetals—Vickers hardness test GB/T 11108-1989 Test method for thermal diffusivity of hardmetal (carbide) GB/T 11108-2017 Test method for thermal diffusivity of hardmetal GB/T 20255.1-2006 Methods for chemical analysis of hardmetals—Determination of calcium, potassium, magnesium and sodium contents—Flame atomic absorption spectrometric method GB/T 20255.2-2006 Methods for chemical analysis of hardmetals—Determination of cobalt, iron, manganese and nickel contents—Flame atomic absorption spectrometric method GB/T 20255.3-2006 Methods for chemical analysis of hardmetals—Determination of molybdenum, titanium and vanadium contents—Flame atomic absorption spectrometric method GB/T 20255.4-2006 Methods for chemical analysis of hardmetals—Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium contents—Flame atomic absorption spectrometric method GB/T 20255.5-2006 Methods for chemical analysis of hardmetals—Determination of chromium content—Flame atomic absorption spectrometric method GB/T 20255.6-2008 Methods for chemical analysis of hardmetals—Flame atomic absorption spectrometry—General requirements GB/T 23369-2009 Standard test method for determination of magnetic saturation (MS) of cemented carbides 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 5124.5-2024 Methods for chemical analysis of hardmetals—Part 5:Determination of tantalum and niobium content—Inductively coupled plasma emission spectrometry 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 3488.2-2025 Hardmetals—Metallographic determination of microstructure—Part 2:Measurement of WC grain size GB/T 7997-2026 Hardmetals—Vickers hardness test