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GB/T 14293-1998 Corrosion tests in artificial atmospheres--General requirement via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
QB/T 3822-1999 Hardness testing method of the metal deposits for the light industrial products--Microscopic hardness tester method (USD) via email in 1-3 business day VALID
GB/T 18838.1-2002 Preparation of steel substrates before application of paints and related products--Specifications for metallic blast-cleaning avrasives--General introduction and classification via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4957-2003 Non-conductive coatings on non-magnetic basis metals—Measurement of coating thickness—Eddy current via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 9797-1997 Metallic coatings-Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 9789-1988 Metallic and other non-organic coatings-Sulfur dioxide test with general condensation of moisture (USD) via email in 1-3 business day ABOLISHED
GB/T 37195-2018 Technical specification for rehabilitation of pipeline corrosion prevention with resin (USD) via email in 1-3 business day VALID
GB/T 17850.4-2017 Preparation of steel substrates before application of paints and related products—Specifications for non-metallic blast-cleaning abrasives—Part 4:Coal furnace slag (USD) via email in 1-3 business day VALID
GB/T 17457-2009 Ductile iron pipes and fittings—Cement mortar lining (USD) via email in 1-3 business day ABOLISHED
GB/T 18719-2002 Thermal spraying--Terminology,classification via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 19354-2003 Vitreous and porcelain enamels for aluminium—Determination of the adhesion of enamels on aluminium under the action of electrolytic solution(spall test) via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 12334-1990 Metallic and other inorganic coatings--Definitions and conventions concerning the measurement of thickness (USD) via email in 1-3 business day ABOLISHED
JB/T 4216-1999 Hot flow-off resistance of rust preventive oil films - Test method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16166-2013 Sacrificial anode cathodic protection for seawater cooling system in coastal power station station via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 5938-1986 (USD) via email in 1-3 business day ABOLISHED
JB/T 6067-1992 via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 12967.5-1991 Anodizing of aluminium and aluminium alloys-Assessment of resistance of anodic oxide coatings to cracking by deformation (USD) via email in 1-3 business day ABOLISHED
GB/T 6463-2005 Metallic and other inorganic coatings-Review of methods of measurement of thickness via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 9799-1997 Metallic coatings-Electroplated coatings of zinc on iron or steel via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 6462-2005 Metallic and oxide coatings-Measurement of coating inckness-Microscopical method (USD) via email in 1-3 business day VALID
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