HENAN WEIN INDUSTRY CO.,LTD > Product Catalog > Non-magnetic drill collars

Member Since

2006

HENAN WEIN INDUSTRY CO.,LTD

Non-magnetic drill collars

Detailed Product Description

Materials of the Non-magnetic drill collars are from chrome manganese, low carbon alloy obtained by combining a proprietary chemical analysis and a rotary hammer process. The material is resistant to stress corrosion cracking, with high machine ability and no tendency to galling.
magnetic permeability (when MPS=1 105/4 Nm)
relative max:1.010 average: Ur >=1.005
magnetic field gradient (hot spots)
max: B 0.05micro tesla/100mm
The non-magnetic drill collars exhibit the mechanical properties indicated below along their entire length. The table is derived from test samples of steel taken from a point 1?below the surface.
Place of Origin:Henan Zhengzhou in China
Model No:Non-magnetic drill collars

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