Bimetallic pipe for corrosive fluids

B - Operations – Transporting – 21 – J

Patent

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B21J 5/10 (2006.01) B21C 23/01 (2006.01) B21C 23/22 (2006.01) B21J 9/04 (2006.01)

Patent

CA 1194348

ABSTRACT OF THE DISCLOSURE The invention is a process for forming a bimetallic pipe having an outer steel shell and an inner lining resistant to corrosive fluids passing through the pipe, involving upsetting a steel ingot having a generally square outer cross-section and housing a generally circular cylindrical core of the lining material, the billet having a generally circular cylindrical outer cross-section after the upsetting, the upset billet then being axially pierced by a hot perforating tool. Also claimed is the resultant compound metallic body.

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