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A 249 S30403

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A 240 S30403 A 269 S30403
#S30403

Description

USA SAE A 249/A 249M (2010), A 249 S30403 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 S30403
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 S30403 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 S30403

C Si Mn P S Cr Ni
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -12.0

Mechanical Properties of steel grade A 249 S30403

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)
996 (≥) 382 (≥) 41 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade A 249 S30403

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
33 - -     0.11 -  
781 267 - 11.3 243   -  
479 - 44 24.2   334 231

Heat Treatment of steel grade A 249 S30403

Heat treated : 1744°C - 1767°C

Technological Curves of steel grade A 249 S30403

Cross Reference Table (Equivalent Grade) of A 249 S30403

Grade Standard Country Application
S30403
S30403
S30403
S30403
S30403
S30403
S30403
S30403
S30403

Relevant standard of A 249 S30403

A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A-249-A-249M--(2010).pdf
A 240 S30403 A 269 S30403
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