Effect of Reduction in Three-Drawn and Two-Drawn Single-Run Technology on Roughness of Inner Surface of Tubes

Ridzoň Martin, Eleková Ľubica, Lišková Jana and Bílik Jozef
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Ridzoň Martin: Department of Forming, Institute of Production Technologies, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology Bratislava, J. Bottu 25, 917 24 Trnava
Eleková Ľubica: Department of Forming, Institute of Production Technologies, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology Bratislava, J. Bottu 25, 917 24 Trnava
Lišková Jana: Department of Forming, Institute of Production Technologies, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology Bratislava, J. Bottu 25, 917 24 Trnava
Bílik Jozef: Department of Forming, Institute of Production Technologies, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology Bratislava, J. Bottu 25, 917 24 Trnava

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2010, vol. 18, issue 28, 69-74

Abstract: The paper deals with the production of could drawn precision seamless steel tubes with three-drawn and two-drawn single-run technology. The aim of experiment is to verify the possibility of drawing rolled tubes of size ∅ 70 × 6.3 mm (material E355) with three-draw single-run technology without intermediate recrystallising annealing on the final size ∅ 44 × 3 mm in the fixed reduction and two-draw single-run technology ∅ 70 × 6.3 mm without intermediate recrystallising annealing on the final size ∅ 50 × 3.75 mm in the fixed reduction and with size ∅ 70 × 6.3 mm without intermediate recrystallising annealing on the final size ∅45 × 3.75 mm in the fixed reduction. Advise the impact choice of the reduction on roughness of inner surface of tubes.

Keywords: reduction; three-draw and two-draw single-run technology; roughness of surface; reduction; three-draw and two-draw single-run technology; roughness of surface (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:18:y:2010:i:28:p:69-74:n:8

DOI: 10.2478/v10186-010-0008-0

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