Seamless cold-finished tubes with spiral ribs from alloy PT-7M

External diameter, mm Wall thickness, mm Fixed length, m Pitch of spiral, mm Apical width of rib, mm Height of rib, mm 13,8 1,5 2,0-4,0 750 1 0,4 Chemical compositionAlloy grade Standard Chemical composition, % not more than Ti Al C Si Fe N O H Zr admixtures "-7 "#-14-3-1819-91 >A=>20 1,8-2,5 0,10 0,12 0,25 0,04 0,15 0,007 2,0-3,0 0,30 Hydrogen content is indicated according to requirements of technical conditions to tubes. Mechanical propertiesAlloy At t 20

Tubes are produced seamless, cold-finished of titanium alloys PT-7M.