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Weigao Petroleum Drilling Tools Manufacturing Co., Ltd. > Product Catalog > Drill Collar,sxweigaowsj(at)live.cn

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Weigao Petroleum Drilling Tools Manufacturing Co., Ltd.

Drill Collar,sxweigaowsj(at)live.cn

Drill Collar,sxweigaowsj(at)live.cn WG-04

Drill Collar,sxweigaowsj(at)live.cn

Detailed Product Description

* Specification: Ф89 Ф105 Ф121 Ф146 Ф159 Ф165 Ф178 Ф203
* It's made from rolled or forged AISI4145H chrome-molybdenum steel. The content of chemical composition and microelement is controlled effectively throughout the whole process. According to its different figures and materials, it can be divides into three types:
1) Type A (columnar): made from ordinary alloy steel, both inside and outside of the cross section of the pipe are cycloidal
2) Type B (spiral): made from ordinary alloy steel, with a spiral chute on the outer surface of the pipe
3) Type C (non-magnetic): made from stainless alloy-steel of low magnetic
permeability, both inside and outside of the cross section of the pipe are rounded.
Place of Origin:Shanxi in China
Model No:WG-04

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