Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HB/Z 5092.1-2001 30.0 via email in 1~3 business day valid
HB/Z 5108.1-1999 Analysis Method of Phosphating Solution - Determination of Free Acidity and Total Acidity Through Potentiometric Titration 30.0 via email in 1~3 business day valid
HB/Z 5088.3-1999 Analysis Method for Nickel Plating Solution Determination of Sodium Chloride Content Through Potentiometric Titration 30.0 via email in 1~3 business day valid
SJ 20893-2003 Specification for acid pickling and passivation for stainless steel 75.0 via email in 1~3 business day valid
HB/Z 5084.6-2000 Analysis Method for Cyaniding Electro-galvanizing Solution - Determination of Copper Content with Atomic Absorption Spectrometry Method 30.0 via email in 1~3 business day valid
GB 11379-1989 Metallic coatings-Electroplated coatings of chromium for engineering purposes 135.0 via email in 1~3 business day abolished
HB/Z 5086.1-2000 30.0 via email in 1~3 business day valid
GB/T 9799-1997 Metallic coatings-Electroplated coatings of zinc on iron or steel 80.0 via email in 1~2 business day superseded
JB/T 10620-2006 Metallic coatings electroplated coatings of copper-tin alloys 120.0 via email in 1~3 business day valid
GB/T 13912-2002 Metallic Coatings-Hot Dip Galvanized Coatings on Fabricated Iron 140.0 via email in 1 business day valid
HB 5048-1977 Quality inspection for lead coating (Trial implementation) 45.0 via email in 1~3 business day valid
HB/Z 5113-1978 Analysis method for plating of cadmium titanium alloy 30.0 via email in 1~3 business day valid
GB 6461-1986 Metallic coatings--Coatings cathodic to the substrate--Rating of electro-plated test specimens subjected to corrosion tests 210.0 via email in 1~3 business day abolished
HB/Z 5087.5-2004 Methods for analysis of acid plating copper solutions part 5:Determination of nickel sulfate content by atomic absorption spectrometric method 60.0 via email in 1~3 business day valid
GB/T 5267-1985 Electroplated coatings on threaded fasteners 225.0 via email in 1~3 business day abolished
GB/T 4957-1985 Non-conductive coatings on non-magnetic metal substrates--Measurement of coating thickness--Eddy current method 30.0 via email in 1~3 business day abolished
GB/T 17461-1998 Metallic coatings--Electroplated coatings of tin-lead alloys 195.0 via email in 1~3 business day valid
HB/Z 5089.3-2004 Methods for analysis of plating black nickel solutions-Part 3:Continual determination of nickel sulfate and zinc sulfate content by EDTA compleximetric method 60.0 via email in 1~3 business day valid
GB/T 4957-2003 Non-conductive coatings on non-magnetic basis metals—Measurement of coating thickness—Eddy current 60.0 via email in 1~3 business day valid
GB/T 4956-1985 Non-magnetic coatings on magnetic substrates--Measurement of coating thickness--Magnetic method 45.0 via email in 1~3 business day abolished
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