ASTM A209/A209M-03(2022)

Die Annotation des Normtextes ASTM A209/A209M-03(2022) :

This specification covers seamless carbon-molybdenum alloy-steel boiler and superheater tubes. As a steel making practice, the steel material shall be killed. The required chemical composition for steel is given. The mechanical property requirements include tensile requirements and hardness requirements. Different test procedure shall be performed on the material presented, one tension test shall be made on a specimen for lots of not more than 50 tubes, one flattening test shall be made on specimens from each end of one finished tube, one flaring test shall be made on specimens from each end of one finished tube, and Brinell or Rockwell hardness tests shall be made from two tubes from each lot.


Keywords:
boiler tubes, carbon-molybdenum, seamless steel tube, steel tube, superheater tubes,, ICS Number Code 23.040.10 (Iron and steel pipes)