Niobium industry standard

GB/T 6896-2007 Niobium strip National standard
GB/T 7737-2007 Ferro Niobium
GB/T 27688-2011 Niobium and niobium alloy waste National standard
GB/T 24485-2009 Niobium carbide powder National standard
GB/T 7737-2007 Ferro Niobium National Standard
YS/T 548-2007 High-purity niobium oxide National standard
XB/T 617.5-2014 Methods of chemical analysis for neodymium-iron-boron alloys Part 5: Determination of zirconium, niobium, molybdenum, tungsten and titanium Inductively Coupled Plasma Atomic Emission Spectrometry (ICPAES) To be implemented soon.
GB/T 14842-2007 Niobium and niobium alloy rods and bars
GB/T 3630-2006 Niobium plates, strips and foils
YS/T 258-2011 Niobium powder for metallurgical use
YS/T 428-2012 Niobium pentoxide