Page 24 - ITAtube Journal 1 2019
P. 24
Technical Papers
Fig. 4. a) Piercing of the rough tube ΓΈ200 x 31.8 mm at the TPA 70-270;
b) Adjustment of the deformation zone; c) Pipe on the examination table before the measurement of wall thickness d) Pipe measuring in a hot condition after the piercing mill
Table 2. Measurements of the geometrical parameters of exper- imental pipes after cooling
ITAtube Journal No1/February 2019
24
