Integral Heavy Weight Drill Pipes
Part Number:
3-1/2”, 4-1/2”, 5”, 5-1/2”
Standard: API Spec 7
Specification OD: 3-1/2”, 4-1/2”, 5”, 5-1/2”
Connection：NC38、NC46、NC50、5 1/2 FH
Material: AISI 4145H Alloy Steel and non-magnetic material
Type: Integral and Friction welded
Specification OD: 3-1/2”, 4-1/2”, 5”, 5-1/2”
Connection：NC38、NC46、NC50、5 1/2 FH
Material: AISI 4145H Alloy Steel and non-magnetic material
Type: Integral and Friction welded
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