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 9450-1988 Determination and verification of the effective depth of carburized and hardened cases of steel parts $190.00 via email in 1~3 business day valid
GB/T 9450-2005 Steels—Determination and verification of the depth of carburized and hardened cases $80.00 immediately valid
GB/T 9451-1988 Determination of total or effective thickness of thin surface hardened layers of steel parts $224.00 via email in 1~3 business day superseded
GB/T 9451-2005 Determination of total or effective thickness of thin surface hardened layers of steel parts $60.00 immediately valid
GB/T 9452-1988 Testing method for working zone of heat treating furnace $195.00 via email in 1~3 business day abolished
GB/T 9452-2012 Testing method for working zone of heat treatment furnace $140.00 immediately superseded
GB/T 9452-2023 Test method for qualified work zone of heat treatment furnace $300.00 immediately valid
GB/T 9789-2008 Metallic and other non-organic coatings—Sulfur dioxide test with general condensation of moisture $100.00 via email in 1~3 business day valid
GB/T 9790-1988 Metallic and related coatings-Vickers and knoop microhardness tests $190.00 via email in 1~3 business day superseded
GB/T 9791-1988 Chromate conversion coatings on zinc and cadmium--Test methods $75.00 via email in 1~3 business day abolished
GB/T 9791-2003 conversion coatings on zine, cadmium, aluminium-zine alloys and zinc - Aluminium alloys - Test methods $105.00 via email in 1~3 business day valid
GB/T 9792-2003 coatings on metallic materials - Determination of coating mass per unit area - Gravimetric methods $100.00 via email in 1~3 business day valid
GB/T 9797-1997 Metallic coatings-Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium $530.00 via email in 1~5 business day abolished
GB/T 9797-2005 Metallic coatings-Electroplated coatings of nickel plus chromium and of copper plus nickel plus chromium $220.00 immediately superseded
GB/T 9797-2022 Metallic and other inorganic coatings—Electrodeposited coatings of nickel,nickel plus chromium, copper plus nickel and of copper plus nickel plus chromium $375.00 via email in 1~5 business day valid
GB/T 9798-1997 Metallic coatings-Electrodeposited coatings of nickel $250.00 via email in 1~3 business day superseded
GB/T 9798-2005 costings-Electrodeposited coatings of nickel $180.00 via email in 1~3 business day superseded
GB/T 9799-1997 Metallic coatings-Electroplated coatings of zinc on iron or steel $100.00 immediately superseded
GB/T 9799-2011 Metallic and other inorganic coatings—Electroplated coatings of zinc with supplementary treatments on iron or steel $80.00 immediately abolished
GB/T 9799-2024 Metallic and other inorganic coatings—Electroplated coatings of zinc with supplementary treatments on orin or steel $315.00 via email in 1~5 business day valid
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