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Welcome to Standard Heater Tube.  If you are looking for the best ASTM D3241 heater tubes, you have come to the right place. 

We manufacture heater tubes for use in ASTM D3241, Jet Fuel Thermal Oxidation Test. Our heater tubes comply with all of the requirements listed in ASTM D3241.  Our tubes are finished with a patented technique to provide a great surface finish, which makes it easy for your technicians to consistently and accurately rate tubes.

We believe that heater tube prices from old, established manufacturers are just too high - Standard ASTM D3241 Heater Tubes are the low-cost, high-quality alternative.