<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></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.

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

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

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...

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

Published Online: Mar 03, 2011

Page range: 69 - 74

DOI: https://doi.org/10.2478/v10186-010-0008-0

Keywords
reduction, three-draw and two-draw single-run technology, roughness of surface

This content is open access.

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

Published Online: Mar 03, 2011

Page range: 69 - 74

DOI: https://doi.org/10.2478/v10186-010-0008-0

Keywordsreduction, three-draw and two-draw single-run technology, roughness of surface

This content is open access.

Keywords
reduction, three-draw and two-draw single-run technology, roughness of surface