ASTM A249/ASME SA249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical Composition of ASTM A249 TP321H Stainless Steel Pipes

C % Si % Mn % P % S % Cr % Ni % Ti %
0.04-10.0 1.00 max 2.00 max 0.045 max 0.030 max 17.0-19.0 9.0-12.0 4*(C+N)-0.7

 

Mechanical Properties of ASTM A249 TP321H Stainless Steel Pipes

Tensile Strength, Mpa Yield Strength, MPa Elongation, % Hardness, HB
515 min 205 min 35 min 90 max