Small Diameter Stainless Steel Tube Description: Product Name ASTM A312 TP304L TP316L Small Diameter Seamless Stainless Steel Tube Coil Tubing in Coils Steel Grade TP304, TP304L, TP316, TP316L, TP321, TP247H, etc. Size range OD: 3.2-25.4MM WT: 0.2-2.5MM L: In straight length or In coil. Application Automotive Industry: Engine, Transmission, Brake & Fuel Chassis Systems. Power train Systems. Fluid Systems, etc. Aircraft/Aerospace: Fluid Transfer Lines, Fire Suppression Systems, Satellite Guidance Systems, Heat Exchangers, etc. Electrical: Electrical Fittings, Connectors, etc. Industrial: Flow Control, Pressure Control, Gauge Systems, Automation Controls, etc. Delivery Condition: AP: Annealed and Pickled BA: Bright Annealed MP: Mechanically Polished