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A 249 S31703

Description

USA SAE A 249/A 249M (2010), A 249 S31703 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 S31703
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S31703 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S31703

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.045 ≤0.03 18.00 -20.00 11.00 -15.00 3.00 -4.00 ≤0.10

Mechanical Properties of steel grade A 249 S31703

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)
521 (≥) 453 (≥) 13 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade A 249 S31703

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
43 - -     0.22 -  
634 671 - 23.3 431   -  
626 - 34 14.2   411 313

Heat Treatment of steel grade A 249 S31703

Heat treated : 1951°C - 1883°C

Technological Curves of steel grade A 249 S31703

Cross Reference Table (Equivalent Grade) of A 249 S31703

Relevant standard of A 249 S31703

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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