Non-magnetic drill collars By Tianjin Shiruida Machinery Import & Export Co., Ltd, China
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Non-magnetic drill collars

Non-magnetic drill collars

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Personne à contacter Ms. sun

xuelian, Tianjin, Tianjin

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Description

Non-magnetic drill collar adopts a kind of chrome manganese alloy steel as material, low carbon obtained by combining a proprietary chemical analysis and rotary hammer process. The material is resistant to corrosion crack, with low magnetic conductivity, with no tendency to galling and high wearproof performances. Magnetic permeability (when MPS=***5/4NM) relative maxÏ€Î&frac*4;r :1.**0. Magnetic field gradient (hot spots) max.: B 0.*5micro tesla/**0mm

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Ms. sun < Tianjin Shiruida Machinery Import & Export Co., Ltd >

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