WEAR-RESISTANT PIPE Russian patent published in 2005 - IPC

Abstract RU 2255992 C1

FIELD: metallurgy; manufacture of pipes from low-carbon steels.

SUBSTANCE: proposed pipe has inner wear-resistant layer, outer corrosion-resistant layer made from ferrite and low-carbon steel layer located in pipe wall core between two layers; wear-resistant layer is solid silicon solution in α-iron at hardness of 200-300 HV units and content of silicon of 14.5-18.0 vol.%; thickness of corrosion-resistant layer and wear-resistant layer is 0.02-0.20 of pipe wall thickness; content of carbon in inner wear-resistant layer does not exceed 0.02 vol.%.

EFFECT: enhanced corrosion resistance of pipes in aggressive media.

2 cl, 1 dwg, 1 tbl, 1 ex

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RU 2 255 992 C1

Authors

Karpov E.V.

Antipanov V.G.

Urmatskikh A.V.

Shishov S.A.

Kornilov V.L.

Dates

2005-07-10—Published

2004-07-01—Filed