Outer DiameterSeamless Pipe: 3.18 mm-1219 mm Welded Pipe: single slit (12.7mm-2540mm);girth(101.6mm-3048mm), ThicknessSeamless Pipe: 0.5mm-60mm Welded Pipe: single slit (.05mm-25mm);girth(3mm-25mm), ToleranceAccording to the standard ...