Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 1979-2001 STANDARD diagrams for macrostructure and defect of structural steels $60.00 immediately valid
GB/T 2108-1980 Thin steel sheets--Fault detection--Ramb wave method $120.00 via email in 1~3 business day valid
GB/T 224-2008 Determination of depth of decarburization of steels $60.00 immediately superseded
GB/T 224-2019 Determination of the depth of decarburization of steels $140.00 immediately valid
GB/T 226-2015 Test method for macrostructure and defect of steel by etching $80.00 immediately valid
GB/T 227-1991 Tool steel method of hardenability test $184.00 via email in 1~3 business day superseded
GB/T 24177-2009 Standard test methods for characterizing duplex grain sizes $300.00 via email in 1~3 business day valid
GB/T 24178-2009 Macrostructure assessing method for solidification structure of continuous casting blank $100.00 immediately valid
GB/T 30067-2013 Standard Terminology Relating to Metallography $1470.00 via email in 1~8 business day valid
GB/T 30834-2014 Standard test methods for rating and classifying inclusions in steel―Scanning Electron Microscope $270.00 via email in 1~5 business day superseded
GB/T 30834-2022 Rating and classifying of inclusions in steel—Scanning electron microscope method $375.00 via email in 1~5 business day valid
GB/T 31309-2014 Calculation of electoron vacancy number in nickel-base superalloys $160.00 via email in 1~3 business day superseded
GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys $195.00 via email in 1~3 business day valid
GB/T 3246.1-2012 Inspection method for structure of wrought aluminum and aluminum alloy products Part 1 : Inspection method for microstructure $310.00 immediately superseded
GB/T 3246.2-2012 Inspection method for structure of wrought aluminum and aluminum alloy products - Part 2: Inspection method for macrostructure $150.00 immediately valid
GB/T 32790-2016 Methods for evaluating the weld quality of seam welds in aluminium and aluminium alloy extrusion $80.00 immediately valid
GB/T 33165-2016 Quantitative analysis method of centre segregation for high carbon wire rod $80.00 via email in 1~3 business day valid
GB/T 34474.1-2017 Determination of banded structure of steel-Part 1:Micrographic method using standards diagrams $260.00 immediately valid
GB/T 34474.2-2018 Determination of banded structure of steel—Part 2:Quantitative method $400.00 via email in 1~5 business day valid
GB/T 3488.1-2024 Hardmetals—Metallographic determination of microstructure—Part 1：Photomicrographs and description $270.00 via email in 1~3 business day to be valid
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