ASTM A213 Tubing Specifications (Alloy and Stainless Steel)
ASTM A213 Standard Scope. This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated grades T5, TP304, etc. Which is listed in tables 1 and 2. The size range for this tube is from internal diameter 1/8 inch and up to 5 inch OD. Thickness from 0.015 to 0.500 inch (0.4 mm to 12.7 mm).