Process of producing a non-ferrous metallic tube
AssigneeUpcast Oy
InventorsJuho Kalliokoski, Hanna-Leena Suviniemi-Mäkitalo, Jukka Lähteenmäki
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Abstract
The invention relates to a process of producing a non-ferrous metallic tube, in which process comprises a casting stage, in which a cast tube having an outer diameter of 20-70 mm, preferably 35-55 mm and a wall thickness of 1.0-4.0 mm, preferably 2.0-3.0 mm, is casted from melt by continuous upward vertical casting process, and the casting stage is followed by at least two drawing stages. In the drawing stages drawing direction of the cast tube in at least two each other following drawing stages is opposite to each other.
Claims13
A process of producing a non-ferrous metallic tube, the process comprising:
- a casting stage, in which a cast tube having an outer diameter of 20-70 mm, is cast from melt by continuous upward vertical casting process;
- at least two drawing stages following the casting stage, wherein the cast tube cast from melt by the continuous upward vertical casting process has a wall thickness of 1.0-4.0 mm, and wherein drawing direction of the cast tube in the at least two drawing stages following each other is opposite to each other.
Dependencies are inferred from the claim text.