This standard specifies the requirements, test methods, inspection rules, signs, packaging, transportation, storage, quality certificates and purchase orders (or contracts) of cemented carbide welding powder products. This standard is applicable to cemented carbide spray welding powder produced by crushing method and spraying method.
GB/T 26053-2010 Referenced Document
GB/T 1480 Metallic powders.Determination of particle size by dry sieving*, 2012-12-31 Update
GB/T 4324.21 Methods for chemical analysis of tungsten.Part 21:Determination of chromium content.Inductively coupled plasma atomic emission spectrometry*, 2012-12-31 Update
GB/T 4324.25 Methods for chemical analysis of tungsten.Part 25:Determination of oxygen content.Pulse heating inert gas fusion -infrared absorption method*, 2012-12-31 Update
GB/T 4324.27 Methods for chemical analysis of tungsten.Part 27:Determination of carbon content.High frequency combustion -infrared absorption method*, 2012-12-31 Update
GB/T 4324.6 Methods for chemical analysis of tungsten.Part 6:Determination of iron content.1,10-phenanthroline spectrophotometry*, 2012-12-31 Update
GB/T 4324.8 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 5060 Metallic powders--Determination of apparent density--Part 2: Scott volumeter method
GB/T 5124.3 Hardmetals—Part 3:Determination of cobalt—Potentiometric method*, 2017-10-14 Update
GB/T 5314 Powders for powder metallurgical purposes.Sampling *, 2011-12-30 Update