Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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
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 281.8-1994 Cobalt -- Determination of cadmium content -- Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day abolished
GB 7216-1987 Gray cast iron metallography 270.0 via email in 1~3 business day abolished
GB/T 19922-2005 Standard test methods for measuring site flatness on silicon wafers by noncontact scanning 150.0 via email in 1~3 business day valid
GB/T 4060-1983 Polycrystalline silicon; Examination method; Vacuum zone-melting on boron 30.0 via email in 1~3 business day abolished
GB/T 21994.2-2008 Chemical analysis of magnesium fluoride - Part 2: Determination of moisture content - Gravimetric method 60.0 via email in 1~3 business day valid
GB/T 2522-2017 Methods of test for the determination of coating insulation resistance and coating adhesion of electrical strip and sheet 110.0 via email in 1 business day valid
YB/T 4082-2011 Measurement method of comprehensive properties for automatic ultrasonic flaw detection system for steel tubes 184.0 via email in business day valid
GB/T 11112-1989 Non-ferrous metals atmospheric corrosion testing method 135.0 via email in 1~3 business day abolished
YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day abolished
GB/T 29536-2013 Testing method for the forming limit diagram(FLD)of metal tube 180.0 via email in business day valid
GB/T 20127.10-2006 Steel and alloy - Determination of trace element contents Part 10: Determination of selenium content by hydride generation-atomic fluorescence spectrometric method 90.0 via email in 1~3 business day valid
GB/T 13315-1991 Method of ultrasonic inspection for forged steel cold rolling working rolls 165.0 via email in 1~3 business day abolished
GB/T 20127.6-2006 Steel and alloy - Determination of trace element contents Part 6: Determination of germanium content by gallic acid oscillopolarographic method 90.0 via email in 1~3 business day abolished
GB/T 5225-1985 Metal materials-Quantitative phase analysis-Value Kmethod of X-ray diffraction 105.0 via email in 1~3 business day abolished
GB/T 30857-2014 Standard test method for thickness and thickness variation on sapphire substrates 90.0 via email in 1~3 business day valid
HB 6140.3-1987 Test Methods for Formability of Sheet Metal - Earing Test 90.0 via email in 1~3 business day valid
GB/T 10424-1989 Sintered metal friction materials--Determination of compression strength 15.0 via email in 1~3 business day abolished
GB/T 17473.2-1998 Test methods of precious metal pastes used for thick film microelectronics--Determination of fineness 60.0 via email in 1~3 business day abolished
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