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Heavy Weight Drill Pipes (HWDP)
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Product Description
Technical Features： The Heavy Weight Drill Pipe is made from one piece of AISI 4145H solid bar, fully heat-treated, all physical properties confirm with API Spec.7 Latest Editions. The wear-resistance hardbanding is standard on tool joints connections and central upset. Hardbanding is made by an automatic machine after preheating the pipe and is followed by stress relieving. The Type of handbanding include Iron-Matrix powder alloy, Tungsten Carbide particle, and Arnco 100XT. Standard Bands: one 4" wear band on both pin and box ends, plus one 1" band on 18 degree shoulder of box. Two 3" wear bands on central upsets The hardbanding is completing flush on both joints and 1/8" oversize on the central upset (full flush on request). Internal Coating: The HWDP could be internally coated with DPC (Equivalent to TK34) as customers request which are able to prevent corrosion and extend life. Order Instruction: ü Nominal Size ü Range ü Hardbanding type ü Internal coating if required ü Extra-long tool joints if required ü API Stress relief recess
Main Parameters
Integral Spiraled Heavy Weight Drill Pipe
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