Model NO.: BW NW HW PW NWT HWT
Technique: Cold Drawn
Usage: Special Purpose, Mining
Dimension: Wireline and Conventional Core Barrel
Origin: Wuxi, China.
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.
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
Length and thread depends on customers’ demands
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.