Process for manufacturing pipes

Details Process for manufacturing pipes Process for manufacturing pipes

B - Operations, Transporting

21

C

B21C 23/22 (2006.01) B21C 37/06 (2006.01) B23K 9/04 (2006.01) F16L 9/02 (2006.01)

Patent

CA 2299679

A process for producing clad pipe comprises forming a hollow body (S10) of base material, bonding a cladding material metallurgically to the base material. (S12) to form a composite body and subsequently extruding the composite body to form a pipe. This process allows the metallurgical bond to be validated using non-destructive methods prior to extrusion. Any areas that arc unbonded will be detected, thereby reducing wastage. Moreover, because the metallurgical bond is achieved prior to extrusion, the cladding thickness is controlled during the extrusion process, avoiding migration of the clad material into the base material by disproportionate amounts.

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