GB/T 32539-2016 High temperature carburizing

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/T 1182-1996 Geometrical tolerancing—Generalities, definitions, symbols, indications on drawings GB/T 1182-2008 Geometrical Product Specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out GB/T 1182-2018 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form,orientation,location and run-out GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels 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 4341-2001 Metallic materials—Shore hardness test GB/T 4341.1-2014 Metallic materials—Shore hardness test—Part 1:Test method GB/T 4341.2-2016 Metallic materials—Shore hardness test—Part 2:Verification of hardness testers GB/T 4341.3-2016 Metallic materials—Shore hardness test—Part 3:Calibration of reference blocks 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 5226.1-2002 Safety of machinery—Electrical equipment of machines—Part 1:General requirements GB 5226.1-2008 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 5226.1-2019 Electrical safety of machinery—Electrical equipment of machines—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/T 6394-2002 Metal-methods for estimating the average grain size GB/T 6394-2017 Determination of estimating the average grain size of metal 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 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 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 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 15822.1-2005 Non-destructive testing—Magnetic particle testing—Part 1:General principles GB/T 15822.1-2024 Non-destructive testing—Magnetic particle testing—Part 1:General principles GB/T 16924-1997 Quenching and tempering of steel parts GB/T 16924-2008 Quenching and tempering of steel parts GB/T 17358-1998 Power consumption quota and its counting and testing method in heat treating production GB/T 17358-2009 Power consumption,measurement,and testing in heat treating production GB/T 19944-2005 Fuel consumption quota and its counting and testing method for heat treating production GB/T 19944-2015 Fuel consumption calculation and measurement method in heat treating production GB/T 25744-2010 Metallographic examination for carburizing quenching and tempering of steel parts GB/T 9450-2025 Determination of the case hardening depth for steel