GB/T 11263-2024 Hot rolled H and cut T section steel

GB/T 11263-2017 Hot rolled H and cut T section steel

GB/T 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis GB/T 222-2006 Permissible tolerances for chemical composition of steel products 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 232-1999 Metallic materials—Bend test GB/T 232-2010 Metallic materials—Bend test GB/T 232-2024 Metallic materials—Bend testing method GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB 712-2000 Hull structural steel GB/T 712-2011 Ship and ocean engineering structural steel GB/T 712-2022 Structural steel for ship and ocean engineering GB/T 714-2000 Structural steel for bridge GB/T 714-2008 Structural steel for bridge GB/T 714-2015 Structural steel for bridge GB/T 1591-1994 High strength low alloy structural steels GB/T 1591-2008 High strength low alloy structural steels GB/T 1591-2018 High strength low alloy structural steels GB/T 2101-1989 General requirements of acceptance, packaging, marking and certification for section steel GB/T 2101-2008 General requirement of acceptance,packaging,marking,and certification for section steel GB/T 2101-2017 General requirement of acceptance,packaging,marking and certification for section steel GB/T 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing GB/T 4171-2000 Superior atmospheric corrosion resisting structural steel GB/T 4171-2008 Atmospheric corrosion resisting structural steel 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 19879-2005 Steel plates for building structure GB/T 19879-2015 Steel plate for building structure GB/T 19879-2023 Steel Plate for building structure GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition GB/T 33968-2017 Hot rolled steel sections with improved weldability GB/T 34103-2017 Hot rolled H section steel for ocean engineering structure GB/T 41749-2022 General requirements for surface condition of hot-rolled sections YB/T 4261-2011 YB/T 4261-2011 Heat-resistant Hot-rolled H-shaped Steel Beam YB/T 4620-2017 seismic hot-rolled H-section steel beam YB/T 4831-2020 Thickness direction performance hot-rolled H-beam GB/T 222-2025 Steels and alloys—Permissible deviations of product analyzed chemical composition GB/T 33968-2025 Hot rolled steel sections with improved weldability GB/T 714-2025 Structural steel for bridge