1.Made of 4145H alloy structural steel.
2.Production complies with the provisions under the Standard SY/T 5146-1997. Connector screws comply with the provisions of the Standard API SPEC 7-1.
3.The tube section has a larger diameter at mid length to protect the heavy weight drill pipe from wear.
4.Hardbanding and Internal Coating can be provided on customer request.
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.
