Analysis of Control by Flattening of the Welded Tubes

In this approach, we have tried to describe the flattening of welded tubes, and its experimental application. The test is carried out at the (National product processing company dishes and tubes production). Usually, the final products (tubes) undergo a series of non-destructive inspection online and offline welding, and obviously destructive mechanical testing (bending, flattening, flaring, etc.). For this and for the purpose of implementing the flattening test, which applies to the processing of round tubes in other forms, it took four sections of welded tubes draft (before stretching hot) and welded tubes finished (after drawing hot and annealing), it was also noted the report 'health' flattened tubes must not show or crack or tear. The test is considered poor if it reveals a lack of ductility of the metal.





References:
[1] AFNOR-94-NF EN 10233 (Feb. 1994.), Controlquality-Matériaux metallic Flatteningtest tube, Paper Factory No. 5.
[2] Bautin-81-R. Bautin and Mr. Pinot, FOUCHER Edition, Paris 1981, mechanical products, page 27.
[3] BENISSAD-95-S. Benisaad, Office of academic publications (1995), welding TEC 340, page 1.
[4] Beranger et al-94, Gerard Beranger, Guy Germain and Henry Sanz, Edition Lavoisier Paris (1994) - The book of steel pages 888-890.
[5] Colombe-00 Michel Colombia and COLL, Edition Dunod (2000) -Matériaux industrial materials métalliques-, pages 127-130. C. J. Kaufman, Rocky Mountain Research Lab., Boulder, CO, private communication, May 1995.
[6] Hirt-01 Rolf A. HirtBez, Manfred, Presses Edition polytechnic and university ROMANDES (2001) - Metal construction V10, pages 66-71.
[7] Pender - 77 James A. Pender, Edition Metric (1977), Welding pages 3-4.
[8] SNCF-00 Document technical specification SNCF, edition December 2000, Revenue Flat, semi-finished products and tubes.
[9] TI-M4 technology engineer-volume M4 - Metallurgy