Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 16761-1997 Dimensions,shape,weight and tolerances for forged flats 75.0 via email in 1~3 business day superseded
YB/T 5262-1993 Wires of permanent elastic alloy 3J53Y for wrist watch 75.0 via email in 1~3 business day superseded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 31927-2015 Zinc and aluminum based coatings on steel sheets and strips― Determination of lead and cadmium contents―Inductively coupled plasma mass spectrometric method 165.0 via email in 1~3 business day valid
GB/T 8704.6-1994 Methods for chemical analysis of ferrovanadium. The sulphuric acid dehydration-gravimetric method for the determination of silicon content 30.0 via email in 1~3 business day abolished
GB/T 17616-2013 Unified Numbering System for Designation of Iron, Steel and Alloy 660.0 via email in 1~3 business day valid
YB/T 5254-1993 Permanent elastic alloy 3J53 and 3J58 for frequency component technical requirement 30.0 via email in 1~3 business day abolished
GB 223.26-1989 Methods for chemical analysis of iron steel and alloy; The thiocyanate direct photometric method for the Determination of molybderum content 45.0 via email in 1~3 business day abolished
GB/T 24520-2009 Cast iron and low alloy steel—Determination of lanthanum, cerium and magnesium content—Inductively coupled plasma atomic emission spectrometric method 240.0 via email in 1~3 business day valid
GB/T 223.62-1988 Methods for chemical analysis of iron, steel and alloy; The butyl acetate extraction photometric method for the determination of phosphorus content 60.0 via email in 1 business day valid
GB 10560-1989 High tensile steels for round link chains for mines-Technical requirements 60.0 via email in 1~3 business day superseded
YB/T 4475-2015 Steel sheets and strips. Analysis of zinc-and alumnium-based metallic coatings. Glow-discharge optical-emission spectrometric method via email in business day valid
GB/T 223.82-2007 Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity method 40.0 via email in 1 business day valid
GB/T 9971-2004 Pure iron for raw meterial 210.0 via email in 1~3 business day valid
GB/T 10418-1989 Steel bonded tungsten carbides--Determination of transverse rupture strength 120.0 via email in 1~3 business day superseded
GB/T 20125-2006 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method 120.0 via email in 1 business day valid
GB/T 1348-2009 Spheroidal graphite iron castings 180.0 via email in 1 business day valid
YB/T 4220-2010 Vanadium pentoxide —Determination of sodium oxide and potaiumss oxide content—The inductively coupled plasmaatomic emission spectrometry 90.0 via email in 1~3 business day valid
GB/T 10417-2008 Specifications for steel-bonded tungsten carbides and determination of its transverse rupture strength impact toughness and hardness 210.0 via email in 1~3 business day valid
YB/T 5261-1993 Wroughtiron-chromium-cobalt permanent magnet alloys 105.0 via email in 1~3 business day superseded
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