This standard specifies the classification, type, code, material and manufacturing technical requirements of lifting lugs for equipment lifting. This standard applies to equipment lifting lugs for lifting vessels and towers made of carbon steel, low alloy steel and stainless steel.
HG/T 21574-1994 history
2018HG/T 21574-2018 Specifications for design and selection of lifting lugs for chemical equipment
2008HG/T 21574-2008 Chemical equipment lifting lugs and engineering technical specification