API Spec 7-1 Oil Non-Magnetic Drill Collar O. D. 177.8mm-Nc50, Find Details and Price about Drill Collar and Drill Pipe from Hebei Shitan Machinery Manufacturing Co., Ltd.
Specifications
MaterialLow Magnetic Stainless Alloy Steel
Model NO.O. D. 177.8mm-NC50
Surface TreatmentWithout Processing
Operation PressureAtmospheric Pressure
Manufacturing ProcessForging and Integral Heat Treatment