We can provide:1.Test Report & MTC2.Ready stock for normal sizes3.Customized sizes welcomed4.One stop service
Q series rod parameter-geological steel pipe-entire length heat treatmentSpec. Unit BQ NQ HQ PQOD/ID mm 55.6/46 69.9/60.3 88.9/77.8 114.3/101.6Tensile Strength mp 1130/1140Yield Strength mpa 690/67Elongation A(%) 20/18 16/17 16/15 16/15
We specialized in manufacturing Drill Rods, Casings, Core barrels, Diamond bits, Reaming shells, Drill rigs, PDC bits and other drilling tools & equipment for geological exploration, mining, geotechnical, dam grouting, water well and horizontal directional drilling.
Quality guarantee is not only responsible for customers, but also the assurance of enterprise'ssteady development. The necessary test equipment and the effective & perfect productionprocess control is the assurance of product quality. Taking the spirit of "To win the marketwith innovation, to serve the customers with friendship, to build the brand withquality, to develop the enterprise with sincerity", we utilize the advanced testingmethods to make each product meticulously.
Name: heat treatment
 Heat treatment will greatly improve the material strength and increase the thread wear lifeÂ
of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested in our lab.ÂAccuracy of threads will determine the use effects and life time of drill rod and casings. CNC latches and form cutter are used in thread opening processing to minimize errorÂ
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