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BQ NQ HQ PQ Tapered threads Tool Steel Drill Rod for Core Barrel Heat - Treated

Wuxi Yaheng Geological Equipment Technical Co., Ltd.
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Wuxi Yaheng Geological Equipment Technical Co., Ltd.
City: Wuxi
Province/State: Jiangsu
Country/Region: China
Contact Person:Mr Yu

BQ NQ HQ PQ Tapered threads Tool Steel Drill Rod for Core Barrel Heat - Treated

Brand Name : Yaheng
Model Number : Drill Rod
Place of Origin : China
MOQ : 10
Price : usd dollar 60~130 per piece
Payment Terms : L/C, T/T, Western Union
Supply Ability : 10000 piece per month
Delivery Time : 3 working days
Packaging Details : Tied up by steel belt with plastic sleeve for screw thread part
Steel Material : High quality alloy steel
Length : 3 Meters
Size : AQ BQ NQ HQ PQ
Thread Protection : Plated and plastic sleeve
Use : Ore drilling or Well drilling
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BQ NQ HQ PQ Tapered threads Steel Drill Rod for Core Barrel , heat-treated

BQ NQ HQ PQ Tapered threads Tool Steel Drill Rod for Core Barrel Heat - Treated

Specifications

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

.

Description:

Our wireline drill rods are all manufactured by CNC machines under DCDMA standard. They're made of

high quality alloy steel with heat-treated. We also can produce various sizes of casing tubes.
Drill pipes will be manufactured from seamless steel tube by cold drawn.
The material is XJY850 / 30CrMnSiA which is one of the best material for geological drilling in China.

Coring rods are crafted from quality heat treated materials ensuring superior wear resistance, strength,

and toughness in the most demanding applications.

Rods and casing are manufactured under stringent industry standards, and are field tested under a variety

of conditions.

All rods are designed to be compatible with other rods manufactured to DCDMA standards.


Size Available:


"Q" Series: BQ, NQ, HQ, and PQ.

"WJ" Design: AWJ, BWJ, NWJ, KWJ, HWJ

"W" Design: RW, EW, AW, BW, NW, HW

Metric Series: 33, 42, 50

We also can produce various sizes of casing tubes

Size Available:

"W" Design: RW,EW,AW,BW,NW,HW,PW,SW,UW,ZW/HWT,PWT

Metric Series: 46, 56,66,76,86,101,116,131,146

"X" Design: RX, EX, AX, BX, NX, HX, PX, SX, UX, ZX

All Chinese sizes.


Raw materials:


We choose the best steel tubes in the market to manufacture our drill 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.

Based on the depth of drill bore, Q series wireline core drill rods are classified into A and B grades. A grade drill rod is entire-length or ends thermal processed and B grade drill rod is entire-length processed.

Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)


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.


Item

OD(mm)

ID(mm)

Wall Thickness(mm)

Length(m)

NQ Rod

69.9

60.3

5

3

HQ Rod

88.9

77.8

5.5

3

PQ Rod

114.3

103.2

5.5

3

50 Rod

50

37

6.5

3



Product Tags:

stainless steel drill rod

      

rock drill steel

      
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BQ NQ HQ PQ Tapered threads Tool Steel Drill Rod for Core Barrel Heat - Treated Images

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