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SA-249 S31653

Description

USA AMS SA-249/SA-249M, SA-249 S31653 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 S31653
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S31653 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 S31653

C Si Mn P S Cr Ni Mo N
≤0.03 ≤0.75 ≤2.00 ≤0.045 ≤0.035 16.0 -18.0 10.0 -14.0 2.00 -3.00 0.10 -0.16

Mechanical Properties of steel grade SA-249 S31653

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)
117 (≥) 924 (≥) 33 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade SA-249 S31653

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 - -     0.22 -  
134 891 - 14.3 443   -  
647 - 43 11.2   314 143

Heat Treatment of steel grade SA-249 S31653

Heat treated : 1685°C - 1156°C

Technological Curves of steel grade SA-249 S31653

Cross Reference Table (Equivalent Grade) of SA-249 S31653

Relevant standard of SA-249 S31653

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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