GB/T 37559-2019 Normalizing and annealing of heavy steel forgings

GB/T 30825-2014 Pyrometry for heat treatment GB/T 32541-2016 Quality control system for heat treatment GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method 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 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 13298-1991 Metal—Inspection method of microstructure GB/T 13298-2015 Inspection methods of microstructure for metals 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 16923-1997 Normalizing and annealing of steel parts GB/T 16923-2008 Normalizing and annealing 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 17394.1-2014 Metallic materials—Leeb hardness test—Part 1:Test method 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 30824-2014 Testing method for temperature uniformity of gas heat treatment furnace JB/T 5000.8-2007 Heavy Machinery General Technical Conditions Part 8: Forgings JB/T 5000.15-2007 Heavy Machinery General Technical Specification Part 15: Non-destructive Inspection for Forged Steel Parts JB/T 5000.8-1998 Heavy Machinery General Technical Specification for Forgings JB/T 5000.15-1998 Heavy Machinery General Technical Specification for Nondestructive Inspection of Forged Steel Parts GB/T 17394.1-2025 Metallic materials—Leeb hardness test—Part 1:Test method