GB/T 9451-1988
Replaced
GB/T 45983.1-2025
Active
National standards
GB/T 45983.1-2025 Rare earths thermo-chemical treatment—Part 1:Carburizing and carbonitriding
GB/T 45983.1-2025 Rare earths thermo-chemical treatment—Part 1:Carburizing and carbonitriding
Price:
$ 36.00
Basic Information
Standard Code:
GB/T 45983.1-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Heat treatment
ICS Name:
Heat treatment
Publish Date:
2025-08-01
Implement Date:
2026-02-01
Pages:
16 pages
Scope
This document specifies the process codes for chemical heat treatment of rare earths, the workpieces to be treated, rare earth infiltrants, equipment, process and process control, quality inspection, safety and hygiene, environmental protection, energy consumption, and requirements for product reports.
This document is applicable to gas carburizing and carbon-nitrogen co-infiltration heat treatment of steel parts using methanol and nitromethane as the carrier gas.
Development Information
Referenced Standards
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 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 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 8121-2002 The terminology of technological materials for heat treatment
GB/T 8121-2012 The terminology of technological materials for heat treatment
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 12603-1990 Classification and designation on metal heat treatment
GB/T 12603-2005 Classifications and designations for metal heat treatment
GB/T 13324-1991 Terminology of heat treatment installation
GB/T 13324-2006 Terminology of heat treatment equipment
GB/T 15676-1995 Terms for rare earths
GB/T 15676-2015 Terms for rare earths
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 30822-2014 Environmental protection technical requirements for heat treatment industry
GB/T 30825-2014 Pyrometry for heat treatment
GB/T 34889-2017 Carburizing or carbonitriding,quenching and tempering of steel parts
GB/T 37885-2019 Chemical reagent—Classification
GB 39176-2020 Rare earth products packing,marking,transport and storage
JB/T 9218-2015 Non-destructive testing (NDT) - Penetrant testing method
JB/T 9218-1999 Pore penetrating inspection method JB/T 9218-1999
JB/T 9218-2007 Non-destructive testing, including penetrant testing
JB/T 10312-2011 Steel foil determination of carbon potential method
JB/T 10457-2004 JB/T 10457-2004 Liquid quenching equipment - Technical specification
JB/T 10457-2025 Technical Specifications for Liquid Quenching Cooling Equipment
JB/T 13025-2017 Polyglycol (PAG) water-soluble quenching medium for heat treatment
JB/T 13026-2017 The oil-based quenching medium used for heat treatment
Related Standards
GB/T 12603-1990
Replaced
GB/T 12603-1990 Classification and designation on metal heat treatment
GB/T 13324-1991
Replaced
GB/T 13324-1991 Terminology of heat treatment installation
GB 15735-1995
Replaced
GB 15735-1995 Requirements for the safety and health in production process of metal heat treatment
GB/T 7232-1999
Replaced
GB/T 7232-1999 Terminology of metal heat treatment
GB/T 18177-2000
Replaced