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SA-249 S31040

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SA-240 S31040 SA-813 S31040
#Type310Cb #S31040

Description

USA AMS SA-249/SA-249M, SA-249 S31040 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 S31040
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S31040 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-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 SA-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)
311 (≥) 584 (≥) 31 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade SA-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
32 - -     0.11 -  
759 763 - 44.3 142   -  
784 - 44 13.2   213 344

Heat Treatment of steel grade SA-249 S31040

Heat treated : 1223°C - 1486°C

Technological Curves of steel grade SA-249 S31040

Cross Reference Table (Equivalent Grade) of SA-249 S31040

Grade Standard Country Application
S31040
S31040
S31040
S31040
S31040
S31040

Relevant standard of SA-249 S31040

SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes SA-249-SA-249M.pdf
SA-240 S31040 SA-813 S31040
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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