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GB/T 12362-2016 Steel die forgings--Tolerance and machining allowance 390.0 via email in 1~5 business day valid
GB/T 4372.2-2014 Methods for chemical analysis of zinc oxide produced by direct process―Part 2:Determination of lead oxide content―Flame atomic absorption spectrometry method 90.0 via email in 1~3 business day valid
GB/T 3488.1-2014 Hardmetals―Metallographic determination of microstructure―Part 1:Photomicrographs and description 150.0 via email in 1~3 business day valid
GB/T 15249.5-2009 Methods for chemical analysis of crude gold - Part 5: Determination of mercury content - Cold atomic absorption spectrometry 90.0 via email in 1~3 business day valid
GB/T 8647.6-2006 The methods for chemical analysis of nickel - Determination of cadmium,cobalt,copper,manganese,lead and zinc contents - Flame atomic absorption spectrometric method 120.0 via email in 1~3 business day valid
GB/T 20491-2017 Steel slag powder used for cement and concrete 120.0 via email in 1~3 business day valid
GB/T 30064-2013 Metallic Materials - Method of Constraint Loss Correction of CTOD Fracture Toughness for Fracture Assessment of Steel Components 650.0 via email in 1~5 business day valid
YS/T 1070-2015 Silver and their alloy brazing filler ring materials for vacuum switching devices 165.0 via email in 1~3 business day valid
YS/T 240.10-2007 Methods for chemical analysis of bismuth concentrate-Determination of aluminium oxide content-Chromazurol S spectrophotometric method 75.0 via email in 1~3 business day valid
YB/T 5256-1993 3J1 and 3J53 alloy for elastic component technical requirement 60.0 via email in 1~3 business day abolished
YS/T 617.1-2007 Determination of chemical compositions and physical properties of aluminum powder magnesium powder and Al-Mg alloy powder Part 1 Determination of active Al Mg or Al-Mg content Gasometric method 90.0 via email in 1~3 business day valid
GB 50486-2009 Code for design of industrial furnaces in iron & steel works 1190.0 via email in 1~3 business day valid
GB/T 32790-2016 Methods for evaluating the weld quality of seam welds in aluminium and aluminium alloy extrusion 80.0 via email in 1~3 business day valid
YS/T 612-2014 Paste for solar cells 165.0 via email in 1~3 business day valid
GB/T 6987.25-2001 Aluminium and aluminium alloys-Determination of copper content-Flame atomic absorption spctrometric method 60.0 via email in 1~3 business day abolished
GB/T 16484.13-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 13: Determination of ammonium chloride content - Distillation-titrimetry 90.0 via email in 1~3 business day abolished
YS/T 775.7-2011 Methods for chemical analysis of lead anode slime- Part 7:Determination of arsenic、copper and selenium content -Inductively coupled plasma atomic emission spectrometery 120.0 via email in 1~3 business day valid
YS/T 281.8-1994 Cobalt -- Determination of cadmium content -- Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day abolished
GB/T 28416-2012 Corrosion tests in artificial atmospheres—Accelerated corrosion tests involving alternate exposure to corrosion-promoting gases,neutral salt-spray and drying 170.0 via email in 1~3 business day valid
YB/T 036.5-1992 General Specifications for Manufacturing of Metallurgical Equipment - Copper Alloy Castings 225.0 via email in 1~3 business day valid
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