Metaspec standard heater tubes fully complies with the requirements of ASTM D3241, the Jet Fuel Thermal Oxidation Stability Test.
It is made from 6061-T6 aluminum that meets specific chemical composition limits outlined in ASTM D3241. The aluminum is drawn into tubing and machined to near final dimensions using high-precision CNC machines. Production tolerances are less than 0.0005 inch (0.01 mm).