drill pipe->forging

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Zhengzhou Chenghe Machinery Co.,Ltd.

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Machinery on-line->Machinery for Forging Plant->forging

Product Specification

Model No:	non-magnetic

Country	CN
Brand	Chenghe

Product Detail

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=1 105/4Nm)
relative max:1.010 average: Ur >=1.005

magnetic field gradient (hot spots)
max: B 0.05micro tesla/100mm


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