GB/T 22395-2022 Specification for design of boiler steel structures

GB/T 22395-2008 Specification for design of boiler steel structures

GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1228-1991 High strength bolts with large hexagon head for steel structures GB/T 1228-2006 High strength bolts with large hexagon head for steel structures GB/T 1229-1991 High strength large hexagon nuts for steel structures GB/T 1229-2006 High strength large hexagon nuts for steel structures GB/T 1230-1991 High strength plain washers for steel structures GB/T 1230-2006 High strength plain washers for steel structures GB/T 1231-1991 Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures GB/T 1231-2006 Specifications of high strength bolts with large hexagon head,large hexagon nuts,plain washers for steel structures GB/T 1231-2024 High strength bolts with large hexagon head assemblies for steel structures 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 3632-1995 Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures GB/T 3632-2008 Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures GB/T 5117-1995 Carbon steel covered electrodes GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels GB/T 5118-1995 Low alloy steel covered electrodes GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels GB/T 5293-1999 Carbon steel electrodes and fluxs for submerged arc welding GB/T 5293-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels GB/T 5313-1985 Steel plate with through-thickness characteristics GB/T 5313-2010 Steel plates with through-thickness characteristics GB/T 5313-2023 Steel plate with through-thickness properties GB 12470-1990 Fluxes for the submerged arc welding of low alloy steel GB/T 12470-2003 Low-alloy steel electrodes and fluxes for submerged arc welding GB/T 12470-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels NB/T 47043-2014 Boiler steel structure manufacturing technical specifications NB/T 47055-2017 General Technical Requirements for Boiler Painting and Packaging GB 50011-2010 Code for seismic design of buildings GB 50019-2015 Design code for heating ventilation and air conditioning of industrial buildings GB 50205-2001 Code for acceptance of construction quality of steel structures GB 50205-2020 Standard for acceptance of construction quality of steel structures GB 50009-2012 Load code for the design of building structures GB 50017-2017 Code for design of steel structures GB 50661-2011 Code for welding of steel structures JGJ 82-2011 Technical specification for high strength bolt connections of steel structures JGJ 99-2015 Technical specification for steel structure of tall building