Trepanned tubes are stocked in 72" lengths, but can be produced in longer lengths upon request. Tubes are typically stocked in G2 grade but when requested, other gray iron grades can also be trepanned dependent on available diameters. Tubes are sold with clean-up stock on the inside and outside diameters. For O.D. Stock Allowances, click here. The concentricity tolerance between the I.D. and O.D. is 0.250".
Meets ASTM A48, Class 40