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A 249 S31050

Description

USA SAE A 249/A 249M (2010) , A 249 S31050 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 S31050
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S31050 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S31050

C Si Mn P S Cr Ni N
≤0.03 ≤0.50 ≤2.00 ≤0.03 ≤0.01 24.00 -26.00 21.0 -23.0 0.10 -0.16

Mechanical Properties of steel grade A 249 S31050

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)
513 (≥) 348 (≥) 23 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade A 249 S31050

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
11 - -     0.32 -  
316 826 - 12.3 344   -  
289 - 32 32.2   321 414

Heat Treatment of steel grade A 249 S31050

Heat treated : 1322°C - 1873°C

Technological Curves of steel grade A 249 S31050

Cross Reference Table (Equivalent Grade) of A 249 S31050

Grade Standard Country Application
310MoLN
TP310MoLN
S31050
S31050
S31050
S31050
S31050

Relevant standard of A 249 S31050

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010)-.pdf

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