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GB/T 3622-2012 Titanium and titanium alloy strip and foil 270.0 via email in 1~3 business day valid
GB/T 4324.15-2008 Methods for chemical analysis of tungsten - Determination of magnesium content - The flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry 120.0 via email in 1~3 business day valid
YS/T 524-2006 Technical requirements of synthetic scheelite 15.0 via email in 1~3 business day superseded
GB/T 4187-1984 Tungsten rods 60.0 via email in 1~3 business day valid
GB/T 6150.9-2009 Methods for chemical analysis of tungsten concentrates—Determination of copper content—Flame atomic absorption spectrometry 120.0 via email in 1~3 business day valid
GB/T 3630-1983 Niobium sheet,strip and foil 45.0 via email in 1~3 business day abolished
GB/T 4191-1984 Ceriated tungsten electrodes for inert gas arc welding and plasma welding and cutting 45.0 via email in 1~3 business day valid
YS/T 428-2012 Niobium Pentoxide 90.0 via email in 1~3 business day valid
GB/T 4325.22-2013 Methods for chemical analysis of molybdenum—Part 22:Determination of phosphorus content—Molybdenum blue spectrophotometry 120.0 via email in 1~3 business day valid
GB/T 25955-2010 Scraps of tantalum and tantalum alloy 180.0 via email in 1~3 business day valid
GB/T 6150.3-2009 Methods for chemical analysis of tungsten concentrates—Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry 120.0 via email in 1~3 business day valid
YS/T 245-1994 Sintered molybdenum alloy mandrels for tube rolling 60.0 via email in 1~3 business day superseded
YS/T 656-2007 Designation and composition of wrought niobium and niobium alloy 90.0 via email in 1~3 business day superseded
YS/T 397-2015 Zirconium sponge 165.0 via email in 1~3 business day valid
GB/T 26037-2010 Powder metallurgic tantalum sheets for deep-drawning 180.0 via email in 1~3 business day valid
GB/T 6150.12-2008 Methods for chemical analysis of tungsten concentrates - Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometry and the gravimetry 150.0 via email in 1~3 business day valid
GB/T 3876-2007 Molybdenum and molybdenum alloy plate and sheet 180.0 via email in 1~3 business day valid
YS/T 719-2009 Flat magneting sputtering target—Silicon target for optical coating 90.0 via email in 1~3 business day valid
GB/T 8182-1987 Tantalum and tantalum alloy seamless tubes 45.0 via email in 1~3 business day superseded
GB/T 31908-2015 Tungsten electrodes for arc welding and plasma welding and cutting 225.0 via email in 1~3 business day valid
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