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SA-249 S31009

Description

USA AMS SA-249/SA-249M , SA-249 S31009 Specialsteel Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-249 S31009
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S31009 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 S31009

C Si Mn P S Cr Ni
0.04 -0.10 ≤0.75 ≤2.00 ≤0.045 ≤0.03 24.00 -26.00 19.00 -22.00

Mechanical Properties of steel grade SA-249 S31009

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
945 (≥) 183 (≥) 12 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade SA-249 S31009

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
42 - -     0.41 -  
818 793 - 22.3 411   -  
359 - 23 34.2   242 323

Heat Treatment of steel grade SA-249 S31009

Heat treated : 1457°C - 1363°C

Technological Curves of steel grade SA-249 S31009

Cross Reference Table (Equivalent Grade) of SA-249 S31009

Relevant standard of SA-249 S31009

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M-.pdf

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