GB/T 16923-2008 Normalizing and annealing of steel parts

GB/T 16923-1997 Normalizing and annealing of steel parts

GB/T 224-1987 Determination of depth of decarburization of steel GB/T 224-2008 Determination of depth of decarburization of steels GB/T 224-2019 Determination of the depth of decarburization of steels 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 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 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 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 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 12603-1990 Classification and designation on metal heat treatment GB/T 12603-2005 Classifications and designations for metal heat treatment 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 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 JB/T 6050-2006 "JB/T 6050-2006 General Test Procedures for Hardness Testing of Heat-Treated Parts in Steel" JB/T 7530-2007 Ar gas, nitrogen gas, and hydrogen gas for heat treatment - General technical requirements JB/T 6050-1992 General principles for hardness testing of heat-treated steel parts JB/T 7530-1994 The general technical requirements for argon, nitrogen, and hydrogen used in heat treatment JB/T 9210-1999 vacuum heat treatment

JIS B 6911:1999