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

Author

Listed:
  • Ridzoň Martin
  • Eleková Ľubica
  • Lišková Jana
  • 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)

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.

Suggested Citation

  • Ridzoň Martin & Eleková Ľubica & Lišková Jana & Bílik Jozef, 2010. "Effect of Reduction in Three-Drawn and Two-Drawn Single-Run Technology on Roughness of Inner Surface of Tubes," Research Papers Faculty of Materials Science and Technology Slovak University of Technology, Sciendo, vol. 18(28), pages 69-74, January.
    • Handle: 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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