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A Subsidiary Company Of China Geological Equipment Group
Strategic partner of Atlas Copco/ Epiroc since the year of 2012
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PQ HQ NQ BQ Wireline Drill Rods DCDMA Standard for Geolgocial Drilling

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PQ HQ NQ BQ Wireline Drill Rods DCDMA Standard for Geolgocial Drilling

Brand Name : Master Core & Core-XZ
Model Number : PQ HQ NQ BQ
Certification : ISO:9001-2000
Place of Origin : China
Price : Negotiation
Payment Terms : T/T or L/C
Supply Ability : 10,000pcs per month
Delivery Time : 10-15 working days after payment
Packaging Details : Steel Belt Iron Frame Export Wooden Case
Prodcut Name : Wireline Drill Rod
Type : Dril Rod, Wire line Double Tube
Material : 30CrMnSiA XJ850 steel
Size : B/N/H/P WL
Thread type : Q series
Use : Mineral Exploration Drilling
Processing type : Forging casting
Stock : Always In Good Stock
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PQ HQ NQ BQ Wireline Drill Rods DCDMA Standard for Geolgocial Drilling​

Technical Parameters:

NoSizeDrill rodThread typeHeat treatmentRaw materialDesigned hole depth
OD mmID mm
1BQ55.646DCDMA standardCompletely heat treatmentZT8502000m


Wire line Drill Rods With DCDMA standards Heat treatment control 3m /1.5m

Our drill rods and casing tubes are manufactured from the highest quality material, under stringent industry DCDMA standards, and are field tested under a variety of conditions, in order to meet the most rigid demands in during performances and in manufacturing standards.

We will make sure the compositions and specifications match the inspection report form the suppliers.

Raw materials:
We only choose the best steel tubes in the market to manufacture our rods and pipes. Spot check will be conducted after the steel tubes delivered to company.

Heat treatment control:
Entire-length or ends thermal processed 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, ensuring superior wear resistance, strength, and toughness in the most demanding applications.

Thread opening process:
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 made by anthropic factors.

Additional thread treatment:

Surface of the threads will be cleaned to remove burr adhered after threads are opened.
Afterwards, the tread surface will be phosphated to improve surface conditions.
Size available as followings:

Wireline series: AQ, BQ, NQ, HQ, PQ

Casing: AW, BW, NW, HW, HWT, PW

Chinese Standard: S56, S59, S75, S95, S110, S130, S75A, S95A

QC Profile:

1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous steel mills (factories). And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.
2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products.
3. Our outsourcing products will also be strictly examined before utilization.
4. Our sampling rate for final products is higher than 30%.

Product Tags:

steel drill rod


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