This standard specifies the technical requirements, test methods and inspection rules for high-pressure forgings. This standard applies to carbon steel and alloy steel forgings for oil drilling and production machinery products with a design pressure of 14 to 140MPa. This standard does not apply to fastener forgings and small forgings for which tangential samples cannot be taken.
SY/T 5676-1993 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