QC/T 625-2013: Translated English of Chinese Standard. (QCT 625-2013, QC/T625-2013, QCT625-2013): Metallic coatings and conversion coating for automobile
https://www.chinesestandard.net, 29 Jul 2016 - 22 halaman
This Standard specifies the requirements, technical specification and test methods for metallic coatings and conversion coatings of parts and accessories of automobile. This Standard is applicable to automobile design and process design.
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The representation of metallic coatings and conversion coatings for automobile
Electroplated coatings of zinc
Electroplated coatings of tin
Electroplated coatings of silver
Electroplated coatings of nickel and copper + nickel
Electrochemical oxidation coatings of aluminum and aluminum alloy
Conversion coatings of steel parts
Electroplated coatings of zincnickel alloy
Electroplated coatings of zinciron alloy
Nonelectrolytically applied zinc flake coatings
accordance with provisions acetic acid adhesion of electroplated aluminum alloy aluminum and aluminum Body QC/T carry out test chemical symbol chromate conversion coatings chromium and nickel coating thickness coatings and conversion coatings for automobile coatings of chromium coatings of copper coatings of nickel coatings of silver coatings of zinc coatings of zinc-iron coatings of zinc-nickel code and application code Application condition condition and example condition of electroplated corrosive of substrate corrosive service condition customer can negotiate Electrical insulation Electrodeposited electroplated coatings Grading code Application Grading code Thickness h Grading criterion hexavalent chromium hose clamps hydrogen embrittlement industry are published manufacturer and customer material Grading code Metallic coatings motorcycles and mopeds negotiate to carry NSS test duration passivated with trivalent Properties and application Property test provisions of GB/T salt spray resistance semi-trailer shown in Table specified test Spring band Substrate material Grading test methods GB/T test of electroplated trivalent chromium