GB 9948-1988
AbolishedSeamless steel tubes for petroleum cracking
石油裂化用无缝钢管
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and testing methods for seamless steel tubes used in petroleum cracking furnaces and related high-temperature, high-pressure fluid systems. It is applied in the petrochemical industry for manufacturing heat exchanger tubes, furnace tubes, and piping that transport corrosive hydrocarbons and gases under cracking conditions. The standard ensures material reliability and safety in environments involving thermal stress and chemical exposure.
Related Standards
GB/T 5566-2003
Rubber or plastics hoses--Test method for crush resistance
GB/T 15345-2003
Test methods of concrete pipes for water transmission
GB/T 19278-2003
General terms and their definitions of thermoplastic pipes，fittings and valves
GB/T 19280-2003
Thermoplastics pipes for the conveyance of fluids--Determination of resistance to rapid crack propagation (RCP)--Small-scale steady-state test(S4 test)
GB/T 19279-2003
Polyethylene pipes--Resistance to slow crack growth--Cone test method
GB/T 19293-2003
Method of X-ray radioscopy for butt-weld
GB/T 6071-2003
Ultra-high vacuum flange
GB/T 9128-2003
Dimensions of metallic ring-joint gaskets for use with steel pipe flanges
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.