MT 312-1992 Hydraulic support general technical specification

MT 86-1984

GB 11335 GB 1239.4 GB 1239.5 MT 119 MT 177 MT 178 MT 179 GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels 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 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 192-2003 General purpose metric screw threads—Basic profile GB/T 193-2003 General purpose metric screw threads—General plan GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 2516-2003 General purpose metric screw threads—Limit deviations GB/T 2516-2023 General purpose metric screw threads—Limit deviations GB/T 1239.1-2009 Cold coiled helical springs technical specifications—Part 1:Extension spring GB/T 1239.2-2009 Cold coiled helical springs technical specifications—Part 2:Compressions spring GB/T 1239.3-2009 Cold coiled helical springs technical specifications—Part 3:Torsion spring GB/T 11352-1989 Carbon steel castings for general engineering purposes GB/T 11352-2009 Carbon steel castings for general engineering purpose 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 12361-2003 General specification of Steel die forgings GB/T 12361-2016 Steel die forgings—General specification GB/T 3323-1987 Methods for radiographic inspection and classification of radiographs for fusion welded butt joints in steel GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X-and gamma-ray techniques with digital detectors GB/T 13306-1991 Plates GB/T 13306-2011 Plates MT/T 94-1996 Hydraulic support column, jack inner diameter and piston rod outer diameter series MT 313-1992 Hydraulic support column technical specification MT 97-1992 Hydraulic support jack technical specification JB/T 4385.2-1999 Hammer-free forgings complexity classification and conversion coefficient MT/T 98-2006 Testing specification for hydraulic support hoses and hose assemblies MT 76-2002 Emulsifying oil, concentrates, and high water content hydraulic fluids for hydraulic supports (poles) JB/T 4385.1-1999 Hammer-freestone forgings general technical specification MT/T 76-2011 Emulsifying oil,concentrate fluid and high-water content hydraulic fluid used for powered support GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 192-2025 General purpose metric screw threads—Profiles