Machinery & Equipment
Description
It’s made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical properties. It has favorable low-permeability, high-strength mechanical properties, great splitting properties of corrosion resistance and excellent abrasion performance.
When MPS=1×105/4π A/m, its relatively magnetic permeabilityμr≤1.010
When any distance by the inner hole is 100mm, its field gradient≤0.05μT
? Magnetic permeability (MPS=1×1×105/4π Nm)
? Max: 1.010
? Average value: μr≤1.005
? Field gradient (hot spot)
? Max: B≤0.05
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Shanxi Weigao Petroleum Drilling Tools CO., LTD
drill collar, spiral drill collar, kelly,non-magnetic drill collar, drill pipe, lifting sub, drill bit body
Address: NO.3, South Industrial Zone of Nanshahe, Songzhuang Shuiyu,
Taiyuan, Shanxi
China, 030045
Tel: 0086-0351-2598640
Fax: 0086-0351-4386060
