General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 32534-2016
Scope
This standard specifies the detection methods for the parameters of conical threads (pitch, lead, flank angle, major diameter, intermediate diameter, minor diameter, intermediate diameter conical taper, step surface position, root arc radius). This standard applies to the detection of parameters of conical threads (excluding oil pipe threads).
GB/T 32534-2016 Referenced Document
GB/T 12716 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads
GB/T 22091.1 Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads. Part 1: Verification of paralled internal and taper external threads
GB/T 27944 Dryseal pipe threads with the thread angle of 60 degrees