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API Spec 7-1 AISI 4145h Oil Drilling Drill Collar Lifting Sub 127mm - Nc50

China API Spec 7-1 AISI 4145h Oil Drilling Drill Collar Lifting Sub 127mm- Nc50, Find details about China Lifting Sub, Drill Collar from API Spec 7-1 AISI 4145h Oil Drilling Drill Collar Lifting Sub 127mm- Nc50

Model NO.
O. D 127mm- 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 127mm- NC50
Origin
China
HS Code
8431431000

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