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Weigao Petroleum Drilling Tools Manufacturing Co., Ltd.

China Manufacturer with main products: Drill Collar, Kellys, Intergral Heavy Weight Drill Pipe, non-excavation drill pipe

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Non magnetic drill collar API Spec7

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Place of Origin: Shanxi in China


non-magnetic drill collar

sxweigaowsj at live dot cn

 It's made from N1310 low carbonalloy-steel and forged by strict chemical analysis. By testing its mechanical properties, we can ensure the material's hardness, toughness, impact value and corrosion resistance conform to the standard. It has favorable low-permeability and machining properties.

Max.: 1.010

Average Value: μr  less than1.005

Field Gradient (hot spots)

 Max.: B less than 0.05

 We have some non-magnetic drill collars with specifications of 165, 159, 121 and 105, as well as some non-magnetic short drill collar with specification of 5.5 m, 4.5 m and 3 m.

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