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SA-249 S30815

Description

USA AMS SA-249/SA-249M, SA-249 S30815 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 S30815
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-249 S30815 Austenite AMS USA Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the SA-249 S30815

C Si Mn P S Cr Ni N Ce
0.05 -0.10 1.40 -2.00 ≤0.80 ≤0.04 ≤0.03 20.0 -22.0 10.00 -12.0 0.14 -0.20 0.03 -0.08

Mechanical Properties of steel grade SA-249 S30815

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)
643 (≥) 634 (≥) 42 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade SA-249 S30815

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
23 - -     0.14 -  
699 678 - 22.3 231   -  
372 - 24 12.2   414 213

Heat Treatment of steel grade SA-249 S30815

Heat treated : 1422°C - 1375°C

Technological Curves of steel grade SA-249 S30815

Cross Reference Table (Equivalent Grade) of SA-249 S30815

Grade Standard Country Application
S30815
S30815
S30815
S30815
S30815
S30815
253MA(S30815)

Relevant standard of SA-249 S30815

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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