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Through Wall Rock Drill Rods Heat Treated NQ HQ PQ Grades High Strength

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Through Wall Rock Drill Rods Heat Treated NQ HQ PQ Grades High Strength

Brand Name : Master Core & Core-XZ
Model Number : NQ HQ PQ
Certification : ISO API
Place of Origin : China
MOQ : N/A
Price : Negotiation
Payment Terms : T/T or L/C
Supply Ability : 10,000pcs per month
Delivery Time : 10 working days after received your payment
Packaging Details : Steel Belt Iron Frame Export Wooden Case
Prodcut Name : Wireline Drill Rods
Type : Drilling tools
Thread type : Q series
Out diameter : 114.3mm-70.1mm
Standard : DCDMA CMS GB
Length : 1500mm 3000mm Or As Your Requirement
Inner diameter : 101.6mm-60.1mm
Stock : Always In Good Stock
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Through Wall Rock Drill Rods Heat Treated NQ HQ PQ Grades High Strength


Specifications

1. high quality alloy tube
2. thru-wall heat treated tube body
3. consistent concentricity, straightness
4. tapered threads


Product Description


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


Heat treatment control:
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 the treated tubes will be tested in our lab.


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.

B/N/H/P wireline rod grades

GradePerformenceMaterialHeat treatment
Astandard30CrMnSiAWhole pipe thermal processed
BpremiumXJY850(42CrMo)Whole pipe thermal processed

Mechanical properties of drill rod

Steel Grade

Tensile Strength

(MPa)

Yield Strength

(MPa)

Elongation

(%)

Impact Energy

(AKV)

30CrMnSiA≥950≥840≥1040-44(10*10mm)
42CrMo≥1050≥900≥1260-80(10*10mm)


Product Tags:

rock drill rods

      

tapered drill rod

      
China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

Through Wall Rock Drill Rods Heat Treated NQ HQ PQ Grades High Strength Images

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