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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)
539 (≥) 576 (≥) 43 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

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
32 - -     0.12 -  
428 765 - 41.3 343   -  
326 - 12 24.2   422 143

Heat Treatment of steel grade SA-249 S30815

Heat treated : 1166°C - 1139°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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