GB/T 31553-2015 External combustion hot blast cupola

GB/T 31553-2025 External-heating hot blast cupola furnace

GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB 20905-2007 Safety requirements for foundry machinery GB/T 25711-2010 Foundry machinery—General technical requirements GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods 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 5226.1-2002 Safety of machinery—Electrical equipment of machines—Part 1:General requirements GB 5226.1-2008 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 5226.1-2019 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 8729-1988 Foundry coke GB/T 8729-2017 Foundry coke 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 13306-1991 Plates GB/T 13306-2011 Plates GB/T 16938-1997 Fasteners—General requirements for blots,screws,studs and nuts GB/T 16938-2008 Fasteners—General requirements for bolts,screws,studs and nuts GB 21501-2008 Cupola and cupola charging machine—Safety requirements GB/T 23570-2009 Welding parts for metal cutting machines—General specifications GB/T 23571-2009 Metal cutting machine tools—Technic document compiled GB/T 25370-2010 Foundry machinery—Terminology GB/T 25370-2020 Foundry machinery—Vocabulary GB/T 25371-2010 Foundry machinery—Measurement method of sound pressure level GB/T 31552-2015 Foundry machinery—Model formulating means GB/T 31552-2023 Foundry machinery—Classification and model designation JB/T 5000.12-1998 Heavy Machinery General Technical Specification for Painting JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint GB/T 191-2025 Graphical symbols marking for handling and storage of packages