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AW/BW/NW/HW/PW DCDMA R780 Standard Casing Tube,Drill Pipe for Geology Exploration

AW/BW/NW/HW/PW DCDMA R780 Standard Casing Tube,Drill Pipe for Geology Exploration

W casing overview W casings are made in DCDMA standards ,the most popular sizesand are AW, BW, NW, NWA, HW, and PW standards applied in geotechnial drilling. Raw materials : We choose the best steel tubes in the market to manufacture our rods and pipes. Instant check will be conducted after the...

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  • Product Details


Basic Info

  • Model NO.: BW NW HW PW NWT HWT

  • Technique: Cold Drawn

  • Usage: Special Purpose, Mining

  • Dimension: Wireline and Conventional Core Barrel

  • Origin: Wuxi, China.

  • Type: Seamless

    Specification: DCDMA

W casing overview

W casings are made in DCDMA standards ,the most popular sizesand are  AW, BW, NW, NWA, HW, and PW standards applied in geotechnial drilling.

Raw materials:
We  choose the best steel tubes in the market to manufacture our rods and pipes. Instant check will be conducted after the raw material is delivered to our plant so that it canmake sure the compositions and specifications meet  the inspection form the suppliers.

Heat treatment control:
Heat treatment will greatly make sure  the material strength and  the thread wear life of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body.

Thread opening process:  
Precision  of threads will impact  the use effects and serve  time of drill rod and casings. 
CNC latches and form cutter are used in thread opening process  to minimize error . 

Additional thread treatment:
Surface of the threads will be cleaned to remove burr adhered after threads are opened.
At last , the tread surface will be phosphated to improve surface conditions. 

Casing and the core tube specification


Standard

Size

O.DxW

Material

Remark

GB/T16920-1997

73

Φ73x4.5

DZ240

Length and thread depends on customers’ demands

89

Φ89x4.5

DZ240

108

Φ108x4.5

DZ240

114.3

Φ114.3x6.35

DZ240

127

Φ127x4.5

DZ240

146

Φ146x5

DZ240

168

Φ168x6.5

DZ240

178

Φ178x9

DZ240

DCDMA

AW

Φ57x4.3

R780

BW

Φ73x6.35

R780

NW

Φ88.9x6.35

R780

HW

Φ114.3x6.35

R780

PW

Φ139.7x6.35

R780


Our Advantages 

a. Extensive production experience: we are specialized in diamond bits,diamond drill bits, drill rods,wireline drilling tools etc with an experience of 10 years.

 

b. Complete production facilities: owning precision CNC machine, milling machine, quenching machine, precision lathe,sintering machine and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

 

c. High quality raw material: we mainly choose raw material from big steel factory, such as WuGang, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.

 

d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.

 

e. Short Delivery time: If one container 15-20 days. We also stock some standard-sized tubes and rods, if you need 3-5 pcs, we can delivery soon.

 

f. Safe packing: anti-rust oil be spread on tubes and rods before shipping, plastic caps on tube ends to protect inside surface, each rod be protected with cardboard tube. Finally be packed with seaworthy package or in wooden case.

 

g. Best after-sale service: Over 60% products are sold to the Southeast Asia, Middle East and South America and all products are trusted by domestic and foreign customers.


Company information

公司信息.jpg 





If you're looking for aw/bw/nw/hw/pw dcdma r780 standard casing tube,drill pipe for geology exploration, welcome to consult the quotation with our factory. We're one of the leading Drill Rod And Casing manufacturers and suppliers in China, offering low price and excellent service. For customized products, contact us to inform us of details now.

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