... seamless tube: material:TP304,TP304L,TP310S,TP316L TP321 TP202h OD: 6mm-630mm;1/8"-36" Stainless steel seamless tube: Materials grade:TP301 ... , 310S, 316,316L, 316Ti, 317, 317L, 321, 347, 347H etcOD 6mm-600mm and so onThickness0.25mm-30mmStandardsAISI, ASTMApplicationswidely used in trades ...