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A 249 TP305

Description

USA SAE A 249/A 249M (2010) , A 249 TP305 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 TP305
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 TP305 Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 TP305

C Si Mn P S Cr Ni
≤0.12 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.0 -19.0 10.5 -13.0

Mechanical Properties of steel grade A 249 TP305

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)
764 (≥) 242 (≥) 33 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade A 249 TP305

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
21 - -     0.22 -  
982 217 - 44.3 412   -  
771 - 13 32.2   314 124

Heat Treatment of steel grade A 249 TP305

Heat treated : 1697°C - 1972°C

Technological Curves of steel grade A 249 TP305

Cross Reference Table (Equivalent Grade) of A 249 TP305

Relevant standard of A 249 TP305

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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