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Help Center30CrMnSiA/45MnMoB Material Core Drill Rod, Forging Processing Type and Wireline bq nq hq pq Drill Rod, Drilling Pipe
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High Quality BQ NQ HQ PQ AQ Wireline Core Drill Rod / Drill Pipe for SaleUS$ 60 - 150MOQ: 1 Piece
We can provide:
1.Test Report & MTC
2.Ready stock for normal sizes
3.Customized sizes welcomed
4.One stop service
Q series rod parameter-geological steel pipe-entire length heat treatment
Spec. Unit BQ NQ HQ PQ
OD/ID mm 55.6/46 69.9/60.3 88.9/77.8 114.3/101.6
Tensile Strength mpa 805/800 1060/1060 1120/1120 1130/1140
Yield Strength mpa 690/675 985/990 1030/1040 1030/1040
Elongation 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's
steady development. The necessary test equipment and the effective & perfect production
process control is the assurance of product quality. Taking the spirit of "To win the market
with innovation, to serve the customers with friendship, to build the brand with
quality, to develop the enterprise with sincerity", we utilize the advanced testing
methods to make each product meticulously.
Name: heat treatment
Heat treatment will greatly improve the material strength and increase the thread wear life
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 thetreated tubes will be tested in our lab.
Accuracy 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 error
Afterwards, the tread surface will be phosphated to improve surface conditions.
.
91.8% Response Rate
91.8% Response Rate
91.8% Response Rate
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