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

Chemical Composition of ASTM A249 TP321 Stainless Steel Pipes

C %Si %Mn %P %S %Cr %Ni %Ti %
0.08 max1.00 max2.00 max0.045 max0.030 max17.0-19.09.0-12.05*(C+N)-0.7

 

Mechanical Properties of ASTM A249 TP321 Stainless Steel Pipes

Tensile Strength, MpaYield Strength, MPaElongation, %Hardness, HB
515 min205 min35 min90 max