This standard specifies the technical requirements, test methods and inspection rules for high-pressure forgings used in petroleum drilling and production machinery products. This standard applies to carbon steel forgings, alloy steel forgings and stainless steel forgings for petroleum drilling machinery products with a rated working pressure not greater than 140MPa.
SY/T 5676-2010 history
2018SY/T 5676-2017 Free forgings for the oil and gas industry
2010SY/T 5676-2010 Technical conditions for high pressure forgings for petroleum drilling and production machinery
1993SY/T 5676-1993 General technical requirements for high pressure forgings for petroleum drilling machinery products