JB/T 11160.2-2011 Heat exchangers-Part 2:Technical requirements

JB/T 11160.1-2011 Blast Furnace Heat Exchanger Part 1: Form and Basic Parameters

GB 21501-2008 Cupola and cupola charging machine—Safety requirements 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 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 25711-2010 Foundry machinery—General technical requirements 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 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products JB/T 5000.12-1998 Heavy Machinery General Technical Specification for Painting JB/T 8609-2014 Forging and Machining Machinery Welding Specification JB/T 8609-1997 Forging and Pressing Machinery Welding Specification JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint