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A 249 TP304L

Description

USA SAE A 249/A 249M (2010), A 249 TP304L 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 TP304L
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 TP304L Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 TP304L

C Si Mn P S Cr Ni
≤0.030 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.00 -20.00 8.00 -12.0

Mechanical Properties of steel grade A 249 TP304L

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)
321 (≥) 581 (≥) 23 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade A 249 TP304L

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 - -     0.23 -  
763 334 - 33.3 112   -  
824 - 21 22.2   313 334

Heat Treatment of steel grade A 249 TP304L

Heat treated : 1154°C - 1182°C

Technological Curves of steel grade A 249 TP304L

Cross Reference Table (Equivalent Grade) of A 249 TP304L

Relevant standard of A 249 TP304L

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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