* Precision tube - OD : 6mm ~ 31.8mm - For semicondutor, parmaceutical industry - Surface : BA(Bright annealed), EP(Electro polished) - Grade : Austenite * Heat exchanger tube - OD : 12.7mm ~ 50.8mm - Grade : Austenite, Duplex * Coiled tube - OD : 6mm ~ 25.4mm - Grade : Austenite