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A 249 S31040

Description

USA SAE A 249/A 249M (2010), A 249 S31040 Specialsteel Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 249 S31040
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S31040 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S31040

C Si Mn P S Cr Ni Nb+Ta
≤0.08 ≤1.50 ≤2.00 ≤0.045 ≤0.03 24.00 -26.00 19.00 -22.00 ≤1.10

Mechanical Properties of steel grade A 249 S31040

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)
398 (≥) 281 (≥) 14 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade A 249 S31040

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
12 - -     0.31 -  
467 559 - 42.3 223   -  
863 - 43 42.2   133 112

Heat Treatment of steel grade A 249 S31040

Heat treated : 1882°C - 1759°C

Technological Curves of steel grade A 249 S31040

Cross Reference Table (Equivalent Grade) of A 249 S31040

Relevant standard of A 249 S31040

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010).pdf

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