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A 249 S31040

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A 240 S31040 A 276 S31040
#Type310Cb #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 Mn Si P S Cr Ni Mo Nb+Ta
≤0.08 ≤2.00 ≤1.50 ≤0.045 ≤0.03 24.00 -26.00 19.00 -22.00 ≤ ≥ 10×C％ -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)
951 (≥) 514 (≥) 12 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

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
22 - -     0.12 -  
426 425 - 31.3 232   -  
449 - 21 24.2   433 113

Heat Treatment of steel grade A 249 S31040

Heat treated : 1744°C - 1159°C

Technological Curves of steel grade A 249 S31040

Cross Reference Table (Equivalent Grade) of A 249 S31040

Grade Standard Country Application
S31040
S31040
S31040
S31040
S31040
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
A 240 S31040 A 276 S31040
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