non-magnetic drill collar for sale from China manufacturer - Shanxi Weigao petroleum Drilling Tools CO., LTD

Price:	2000.0~4000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Shanxi, China (Mainland)


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Product Detail

Model No.: 3 1/8-11

Production Capacity: 1000pc/month

Delivery Date: 7days

Means of Transport: Ocean

Packing: negotiable

Brand Name: WEI GAO

It's made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical properties.

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 permeabilityμ_r≤1.010

When any distance by the inner hole is 100mm, its field gradient≤0.05μT

lMagnetic permeability (MPS=1×1×10⁵/4π Nm)

lMax: 1.010

lAverage value: μ_r≤1.005

lField gradient (hot spot)

lMax: B≤0.05