GB/T 224-2008: Translated English of Chinese Standard. (GBT 224-2008, GB/T224-2008, GBT224-2008): Determination of depth of decarburization of steels
https://www.chinesestandard.net, Feb 24, 2016 - Technology & Engineering - 17 pages
This standard specifies the terms and definitions, measuring methods and test report of steel decarburization.
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according to GB/T allowing decarburization applicable carbon steel complete decarburization zone decarburization determined decarburization It refers Decarburization of Steel decarburization The measuring decarburized layer decarburized metallurgical structures deepest uniform decarburization depth of decarburization Depth of ferrite Depth of functional depth of total different specifications ferrite decarburization Figure A.1 functional decarburization heat treatment hypo-steel magnification Matrix carbon content measuring method metallographic method millimeter mutual agreement partial decarburization Figure pearlite see Figure Picture of Depth Pictures of decarburized point with carbon Preparation of Samples product standard product surface reduction zone Rockwell Hardness Method round steel sample fringe sample surface Sampling schematic diagrams section with stable Selection and Preparation shadow zones spectral analysis spring steel square steel standard or mutual steel with nominal steel with side Structure illustration terms and definitions Test method Test Report total decarburization Treatment process typical decarburization Typical sampling methods Typical Structures Picture uniform decarburization zone variance in carbon