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API Spec 7-1/7-2 Drill Collar 177.8mm-Nc50 4145h

China API Spec 7-1/7-2 Drill Collar 177.8mm-Nc50 4145h, Find details about China Drill Collar, API 7-1 from API Spec 7-1/7-2 Drill Collar 177.8mm-Nc50 4145h

Model NO.
O. D. 177.8mm-NC50
Manufacturing Process
Forging and Integral Heat Treatment
Surface Treatment
Spray-Paint
Operation Pressure
Atmospheric Pressure
Material
Structural Alloy Steel 4145h
Trademark
Shitan
Specification
O. D. 177.8mm-NC50
Origin
China
HS Code
8431431000

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