GB/T 29655-2013 Neodymium iron boron strip casting

GB/T 29655-2025 Strip-casting neodymium iron boron alloy flakes

GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values XB/T 617.1-2014 Chemical analysis methods for neodymium iron boron alloy—Part 1:Determination of total rare earth content—Oxalate gravimetry XB/T 617.2-2014 Chemical analysis methods of neodymium iron boron alloy—Part 2:Determination of fifteen REO relative contents XB/T 617.3-2014 Chemical analysis methods for neodymium iron boron alloy—Part 3:Determination of boron,aluminum,copper,cobalt,magnesium,silicon,calcium,vanadium,chromium,manganese,nickel,zinc and gallium contents—Inductively coupled plasma atomic emission spectrometry XB/T 617.4-2014 Chemical analysis methods of neodymium iron boron alloy—Part 4:Determination of iron content—The potassium dichromate titrimetry XB/T 617.5-2014 Chemical analysis methods for neodymium iron boron alloy—Part 5:Determination of zirconium,niobium,molybdenum,tungsten and titanium contents—Inductively coupled plasma atomic emission spectrometry XB/T 617.6-2014 Chemical analysis methods of neodymium iron boron alloy—Part 6:Determination of carbon content—High frequency-infrared absorption method XB/T 617.7-2014 Chemical analysis methods for neodymium iron boron alloy—Part 7:Determination of oxygen and nitrogen contents—Impulse-infrared and impulse-thermal conductance absorption method XB/T 617.8-2023 Method for Chemical Analysis of NdFeB Alloys - Part 8: Determination of Hydrogen Content - Inert-gas fusion-thermal conductivity or infrared absorption method