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

Specification ASTM A249/ASME SA249 Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Standard ASTM A249, ASME SA249
Equivalents
Materials TP347, S34700

Chemistry Composition of ASTM A249/ASME SA249 TP347, S34700

C, % Si, % Mn, % P, % S, % Cr, % Ni, % Nb, %
0.08 max 1.00 max 2.00 max 0.045 max 0.030 max 17.0-20.0 9.0-13.0 10*C-1.1

 

Mechanical Properties of ASTM A249/ASME SA249 TP347, S34700

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