MT/T 1273-2025 Manufacturing technical specification for structural parts of powered support

MT/T 587-2011 Hydraulic support structure manufacturing technical specification

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 3274-1988 Carbon structural and low alloy steel rolled plates and strips GB/T 3274-2007 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3274-2017 Hot-rolled plates,sheets and strips of carbon structural steels and high strength low alloy structural steels 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 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 9448-1999 Safety in welding and cutting GB/T 10045-2001 Carbon steel flux cored electrodes for arc welding GB/T 10045-2018 Tubular cored electrodes for non-alloy and fine grain steels GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment GB/T 11345-2023 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels and assessment GB/T 11352-1989 Carbon steel castings for general engineering purposes GB/T 11352-2009 Carbon steel castings for general engineering purpose GB/T 12361-2003 General specification of Steel die forgings GB/T 12361-2016 Steel die forgings—General specification GB/T 13264-1991 Sampling procedures and tables for inspection of small lots or batches by attributes for percent nonconforming GB/T 13264-2008 Sampling procedures and tables for small lot inspection by attributes for percent nonconforming items GB/T 16270-1996 High-strength structural steel plates and strips:products supplied in the heat-treated or controlled rolled condition GB/T 16270-2009 High strength structural steel plates in the quenched and tempered condition GB/T 19869.1-2005 Welding procedure qualification test for steels, nickel and nickel alloys GB 25974.1-2010 Powered support for coal mine—Part 1:General specification GB/T 29712-2013 Non-destructive testing of welds—Ultrasonic testing—Acceptance levels GB/T 36233-2018 Tubular cored electrodes for high-strength steels GB/T 39281-2020 Wire electrodes,wires,rods and deposits for gas shielded arc welding of high strength steels HG/T 3728-2004 The welding gas mixture used in the industry is argon-carbon dioxide JB/T 10375-2002 Welding component vibration stability process parameter selection and technical requirements YB/T 4137-2013 High-strength steel plate with low welding crack sensitivity YB/T 4137-2005 Low welding crack susceptibility high strength steel plates ISO 5817 EN 10025-3 EN 10025-4 EN 10025-6