GB/T 39194-2020 Technical requirement of heat treatment for vacuum low pressure carburizing high pressure gas quenching

GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 230.1-2004 Metallic Rockwell hardness test—Part1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2009 Metallic materials—Rockwell hardness test—Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2018 Metallic materials—Rockwell hardness test—Part 1:Test method GB 3095-1996 Ambient air quality standard GB 3095-2012 Ambient air quality standard GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4844-2011 Pure helium,high pure helium and ultra pure helium GB/T 4844-2025 Pure helium,high purity heliun and ultra purity helium GB 4844.2-1995 Pure helium GB/T 4844.3-1995 High purity helium GB 4962-1985 Technical safety regulation for gaseous hydrogen use GB 4962-2008 Technical safety regulation for gaseous hydrogen use GB/T 5216-1985 Technical requirements for structural steel with specified hardenability bands GB/T 5216-2004 Structural steels subject to end-quench hardenability requirements GB/T 5216-2014 Structural steels with specified hardenability bands GB 5959.1-1986 Safety in electro heat installations—Part 1:General requirements GB 5959.1-2005 Safety in electro heat installations—Part 1:General requirements GB/T 5959.1-2019 Safety in installations for electroheating and electromagnetic processing—Part 1:General requirements GB 5959.4-1992 Safety in electro heat installations—Part 4:General requirements for resistance furnaces GB 5959.4-2008 Safety in electroheat installations—Part 4:Particular requirements for safety resistance heating installations GB 6819-1996 Dissolved acetylene GB 6819-2004 Dissolved acetylene GB/T 7232-1999 Terminology of metal heat treatment GB/T 7232-2012 Terminology of metal heat treatment GB/T 7232-2023 Metal heat treatment—Terminology GB/T 9450-2005 Steels—Determination and verification of the depth of carburized and hardened cases GB/T 9450-2025 Determination of the case hardening depth for steel GB/T 9452-2003 Testing method for work zone of Heat treatment furnace GB/T 9452-2012 Testing method for working zone of heat treatment furnace GB/T 9452-2023 Test method for qualified work zone of heat treatment furnace GB/T 10066.1-2004 Test methods for electro heat installations—Part 1:General GB/T 10066.1-2019 Test methods for electroheating and electromagnetic processing installations—Part 1:General GB/T 10066.4-2004 Test methods for electro heat installations—Part 4:Indirect resistances furnaces GB/T 10067.1-2005 Basic specifications for electro heat installations—Part 1:General GB/T 10067.1-2019 Basic specifications for electroheating and electromagnetic processing installations—Part 1:General GB/T 10067.4-2005 Basic specifications for electro heat installations—Part 4:Indirect resistance furnaces GB/T 13324-1991 Terminology of heat treatment installation GB/T 13324-2006 Terminology of heat treatment equipment GB 15735-1995 Requirements for the safety and health in production process of metal heat treatment GB 15735-2004 Requirements for the safety and health in production process of metal heat treatment GB 15735-2012 Requirements for the safety and health in production process of metal heat treatment GB/T 22561-2008 Vacuum heat treatment GB/T 22561-2023 Vacuum heat treatment GB/T 25744-2010 Metallographic examination for carburizing quenching and tempering of steel parts GB/T 30822-2014 Environmental protection technical requirements for heat treatment industry GB/T 32541-2016 Quality control system for heat treatment GB/T 34889-2017 Carburizing or carbonitriding,quenching and tempering of steel parts GB/T 38751-2020 General rules of hardness test for heat treated parts JB/T 7530-2007 Ar gas, nitrogen gas, and hydrogen gas for heat treatment - General technical requirements JB/T 7530-1994 The general technical requirements for argon, nitrogen, and hydrogen used in heat treatment SH 0553-1993 Industrial propane and butane SH/T 0553-1993 Industrial propane and butane