Process for manufacturing bimetallic seamless pipes, steel and special alloys for the extrusion process.

摘要

Method for Manufacturing bimetallic Tubes, seamless, steel and special Alloys in the extrusion process.Consistent with the cross section of the drill (18), introduced during Drilling, a dimension (17); EQUAL, greater or smaller than the cross section (16K, 1616L) Core (13k) or Special Alloy Steel Ingot has been emphasized along with the External Support (12); and according to the different function and resistance to hot deformation of the material which forms the Outer Support Bar (12) and the core Material (13k) Special Steel or Alloy and improve the main 508.733 Invention patent number.