GB/T 25390-2010 Spheroidal graphite cast iron for wind turbine

GB/T 25390-2024 Wind energy generation systems—Seheroidal graphite cast iron for wind turbines

GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium 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 231.2-2002 Metallic Brinell hardness test—Part 2:Verification and calibration of hardness testers GB/T 231.2-2012 Metallic materials—Brinell hardness test—Part 2:Verification and calibration of testing machines GB/T 231.2-2022 Metallic materials—Brinell hardness test—Part 2:Verification and calibration of testing machines GB/T 231.3-2002 Metallic Brinell hardness test—Part 3:Calibration of hardness reference blocks GB/T 231.3-2012 Metallic materials—Brinell hardness test—Part 3:Calibration of reference blocks GB/T 231.3-2022 Metallic materials—Brinell hardness test—Part 3:Calibration of reference blocks GB/T 1348-1988 Spheroidal graphite iron castings GB/T 1348-2009 Spheroidal graphite iron castings GB/T 1348-2019 Spheroidal graphite iron castings GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology GB/T 5612-1985 Code for representing cast iron GB/T 5612-2008 Code for representing cast iron GB/T 5612-2025 Designation of cast irons GB/T 6060.1-1997 Roughness comparison specimens—Cast surfaces GB/T 6060.1-2018 Surface roughness comparison specimen—Part 1:Casting surface GB/T 6414-1999 Castings—System of dimensional tolerances and machining allowances GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances GB/T 7233-1987 Methods for ultrasonic testing and for specifying quality levels of steel castings GB/T 7233.1-2009 Steel castings—Ultrasonic examination—Part 1:Steel castings for general purposes GB/T 7233.1-2023 Steel castings—Ultrasonic testing—Part 1:Steel castings for general purposes 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 9441-1988 Metallographic test for spheroidal graphite cast iron GB/T 9441-2009 Metallographic test for spheroidal graphite cast iron GB/T 9441-2021 Metallographic test method for spheroidal graphite cast iron 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 9445-1999 Qualification and certification for nondestructive testing personnel GB/T 9445-2005 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2008 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2015 Non-destructive testing—Qualification and certification of NDT personnel GB/T 9445-2024 Non-destructive testing—Qualification and certification of personnels GB/T 11351-1989 Mass tolerances for castings GB/T 11351-2017 Mass tolerances of casting GB/T 11344-1989 Measuring thickness by ultrasonic pulse-echo contact method GB/T 11344-2008 Non-destructive testing—Practice for measuring thickness by ultrasonic pulse-echo contact method GB/T 11344-2021 Non-destructive testing—Ultrasonic thickness measurement GB/T 15056-1994 Evaluation method on cast surface roughness GB/T 15056-2017 Casting surface roughness—Appraising method JB/T 4009-2020 Non-destructive testing (NDT) and evaluation of discontinuities using contact ultrasonic transversal pulse-echo methods JB/T 4009-1999 Contact ultrasonic longitudinal wave direct impact flaw detection method JB/T 9219-2016 JB/T 9219-2016 Ductile iron - Ultrasonic velocity of sound determination method JB/T 9219-1999 JB/T 9219-1999 Ductile iron ultrasonic velocity determination method