Seamless and welded zirconium tubes manufactured to ASTM B523/ ASME B-523 are available in three grades: R60702, R60704, R60705. Generally, they are available from O.D 1/2″ (12.7 mm) to O.D 3-1/2″ (88.9 mm) by maximum length of 10 feet (3 meters). When ordering, the description shall be specified completely: quantity + seamless or welded + O.D + wall thickness + length + heat treatment + standard + grade. For example:

1200 pieces of seamless zirconium tubes, 38.1 mm (1.5″) in outside diameter by 1.52 mm (0.06″) in minimum wall thickness by 3 meters (10 feet) in length, vacuum annealed, ASTM B523/B523M – 12a, Grade R60702.