ASTM A213/ASME SA213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

Specification ASTM A213/ASME SA213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Standard ASTM A213, ASME SA213
Equivalents EN 10216-2, ASTM A335, GOST 550-75
Materials T91, K90901

Chemistry Composition of ASTM A213/ASME SA213 T91, K90901

C, % Mn, % P, % S, % Si, % Cr, % Mo, % V, % N, % Ni, % Al, % Nb, %
0.08-0.12 0.3-0.6 0.02 max 0.01 max 0.2-0.5 8.0-9.5 0.85-1.05 0.18-0.25 0.03-0.07 0.4 max 0.04 max 0.06-0.10

 

Mechanical Properties of ASTM A213/ASME SA213 T91, K90901

Tensile Strength , MPa Yield Strength, MPa Elongation, % Hardness, HB
585 min 415 min 20 min 250 max