ASTM B111 Tube Manufacturer: ASTM B111 Grade UNS C68700, UNS C70600, UNS C71500, UNS C44300 Tubes, 3/4 Inch, DN20, 16 BWG, 16 Feet.
Zirconium ASTM B523 R60702 Tubes Manufacturer: ASTM B523 R60702 Zirconium Tubes, OD 19.05 mm, 3/4 Inch, THK 2.77 mm, Length 7.5 Meter, 7500 mm.