Oilfield 4140 Seamless Steel Oil Well Drilling Pipe Casing Drill Pipe For Oil Well Drilling with High Straightness

Oil Drilling Pipe
August 30, 2025
Category Connection: Oil Drilling Pipe
HONGBAO's 4140 steel drill pipe casing delivers unmatched strength and durability for extreme oil well drilling. Featuring high straightness, exceptional wear resistance, and superior fatigue resistance, our pipes meet PED, ISO9001, and DNV standards.OD range 30-139.7mm.WT range 3-19mm.Welcome to contact us for more details!