GB/T 45981.3-2025 Heavy casting and forging for heavy-duty gas turbine—Part 3:Steel castings

GB/T 45981.1-2025 Heavy casting and forging for heavy-duty gas turbine—Part 1:Steel open die forgings GB/T 45981.2-2025 Heavy casting and forging for heavy-duty gas turbine—Part 2:Superalloy die forgings

GB/T 223.72-2008 Iron,steel and alloy—Determination of sulfur content—Gravimetric method GB/T 223.76-1994 Methods for chemical analysis iron, steel and alloy—The flame atomic absorption spectrometric method for the determination of vanadium content GB/T 223.77-1994 Methods for chemical analysis of iron, steel and alloy—The flame atomic absorption spectrometric method for the determination of calcium content GB/T 223.79-2007 Iron and steel—Determination of multi-element contents—X-ray fluorescence spectrometry(Routine method) GB/T 223.80-2007 Iron,steel and alloy—Determination of trace bismuth and arsenic contents—Hydride generation-atomic fluorescence spectrometric method GB/T 223.81-2007 Iron,steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric method GB/T 223.85-2009 Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnace GB/T 223.86-2009 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace GB/T 223.90-2021 Iron,steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectrometric method GB/T 223.91-2021 Iron,steel and alloy—Determination of copper—2,2′-Biquinoline spectrophotometric method 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 2039-1997 Metallic materials—Creep and stress-rupture test in tension GB/T 2039-2012 Metallic materials—Uniaxial creep testing method in tension GB/T 2039-2024 Metallic materials—Uniaxial creep testing method in tension GB/T 4336-2002 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel(routine method) GB/T 4336-2016 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology GB/T 5677-1985 Methods of radiographic testing and classification of radiographs for steel castings GB/T 5677-2007 Radiographic testing for steel castings GB/T 5677-2018 Castings—Radiographic testing GB/T 5678-1985 The method for sampling cast alloys for spectrochemical analysis GB/T 5678-2013 Sampling methods of spectrochemical analysis for cast alloys 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 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances 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 7233.2-2010 Steel castings—Ultrasonic examination—Part 2:Steel castings for highly stressed components GB/T 7233.2-2023 Steel castings—Ultrasonic testing—Part 2:Steel castings for highly stressed components GB/T 9443-1988 Methods of liquid penetrant testing and classification of indication for steel castings GB/T 9443-2007 Penetrant testing for steel castings GB/T 9443-2019 Steel and iron castings—Liquid penetrant inspection GB/T 9444-1988 The methods for magnetic particle testing and for specifying quality levels of steel castings GB/T 9444-2007 Magnetic particle testing for steel castings GB/T 9444-2019 Steel and iron castings—Magnetic particle inspection GB/T 11351-2017 Mass tolerances of casting GB/T 11352-2009 Carbon steel castings for general engineering purpose GB/T 11170-1989 Method for photoelectric emission spectroscopic analysis of stainless steel GB/T 11170-2008 Stainless steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method(Routine method) GB/T 12778-1991 Metallic materials—Determination of Charpy impact fracture surface GB/T 12778-2008 Determination of Charpy impact fracture surface for metallic materials GB/T 13298-1991 Metal—Inspection method of microstructure GB/T 13298-2015 Inspection methods of microstructure for metals GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method) GB/T 20125-2006 Low-alloy steel—Determination of multi-element contents—Inductively coupled plasma atomic emission spectrometric method GB/T 20127.4-2006 Steel and alloy—Determination of trace element contents—Part 4:Determination of copper content by graphite furnace atomic absorption spectrometric method GB/T 32548-2016 Steel and iron—Determination of tin,antimony,cerium,lead and bismuth—Inductively coupled plasma mass spectrometric method GB/T 34208-2017 Iron and steel—Determination of antimony and tin content—Inductively coupled plasma atomic emission spectrometric method GB/T 36164-2018 High alloy steel—Determination of multi-element contents—X-ray fluorescence spectrometry(routine method) GB/T 37400.7-2019 Heavy mechanical general technical specification—Part 7:Repair welding for steel castings GB/T 37400.12-2019 Heavy mechanical general technical specification—Part 12:Painting GB/T 37400.13-2019 Heavy mechanical general technical specification—Part 13:Packaging GB/T 37681-2019 Heavy steel castings—General technical specification GB/T 39428-2020 Steel castings by sand casting—Visual examination method of surface quality YB/T 4402-2014 "The determination of the content of δ ferrite in martensitic stainless steel by means of metallographic examination"