DL/T 5019-1994 Specifications for manufacture,erection and formal acceptance of gate hoists in hydraulic and hydroelectric projects

NB/T 35051-2015 NB/T 35051-2015 Water and hydropower engineering sluice gate operating installation and acceptance specification

GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X-and gamma-ray techniques with digital detectors GB 3452.1-1992 Fluid systems—Sealing devices—O-rings—Inside diameters, cross-sections, tolerances and size identification code GB/T 3452.1-2005 Fluid power systems—O-rings—Part 1:Inside diameters, cross-sections, tolerances and size identification code GB 3632-3633 GB 4628 GB/T 4879-1999 Rustproof packaging GB/T 4879-2016 Rustproof packaging GB/T 5014-2003 Pin coupling elastomer GB/T 5014-2017 Pin coupling elastomer 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 5680-1998 Austenitic manganese steel castings GB/T 5680-2010 Austenitic manganese steel castings GB/T 5680-2023 Austenitic manganese steel castings GB/T 5796.4-1986 Metric trapezoidal screw threads—Tolerances GB/T 5796.4-2005 Trapezoidal screw threads—Part 4:Tolerances GB/T 5796.4-2022 Trapezoidal screw threads—Part 4:Tolerances GB/T 5972-1986 Wire rope for lifting appliances—Code of practice for examination and discard GB/T 5972-2006 Wire ropes for cranes—Code of practice for examination and discard GB/T 5972-2009 Cranes—Wire ropes—Care,maintenance,installation,examination and discard GB/T 5972-2016 Cranes—Wire ropes—Care and maintenance,inspection and discard GB/T 5972-2023 Cranes—Wire ropes—Care and maintenance,inspection and discard GB/T 6067-1985 Safety rules for lifting appliances GB/T 6067.1-2010 Safety rules for lifting appliances—Part 1:General GB/T 6067.5-2014 Safety rules for lifting appliances—Part 5:Bridge and gantry cranes 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 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel GB/T 8110-2020 Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels GB/T 8564-2003 Specification installation of hydraulic turbine generator units GB/T 8564-2023 Technical specification for installation of hydraulic turbine-generator units GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 2:Preparation grades of previously coated steelsubstrates after localized removal of previous coatings GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 9439-1988 Grey iron castings GB/T 9439-2010 Grey iron castings GB/T 9439-2023 Grey iron castings GB/T 983-1995 Stainless steel covered electrodes GB/T 983-2012 Covered electrodes for manual metal arc welding of stainless and heat-resisting steels GB/T 985-1988 Basic forms and sizes of weld grooves for gas welding manual arc welding and gas-Shielded arc welding GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding GB/T 985.2-2008 Recommended joint preparation for submerged arc welding GB/T 985.3-2008 Recommended joint preparation for gas-shield arc welding on aluminium and its alloys GB/T 985.4-2008 Recommended joint preparation for welding on clad steels GB/T 986-1988 Basic forms and sizes of weld grooves for submerged arc welding 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 13306-1991 Plates GB/T 13306-2011 Plates JB 2299 JB/ZQ 4297 JB/ZQ 4382 SD 315 SL/T 36-2016 Waterway Metal Structure Welding General Technical Specification ZBJ 74003