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A 249 TP304H

Description

USA SAE A 249/A 249M (2010) , A 249 TP304H 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 TP304H
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 249 TP304H Austenite SAE USA Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%) of the A 249 TP304H

C Si Mn P S Cr Ni
0.04 -0.10 ≤1.00 ≤2.00 ≤0.04 ≤0.03 18.0 -20.0 8.00 -11.0

Mechanical Properties of steel grade A 249 TP304H

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)
682 (≥) 218 (≥) 31 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade A 249 TP304H

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
23 - -     0.14 -  
556 585 - 12.3 224   -  
315 - 13 11.2   422 242

Heat Treatment of steel grade A 249 TP304H

Heat treated : 1438°C - 1727°C

Technological Curves of steel grade A 249 TP304H

Cross Reference Table (Equivalent Grade) of A 249 TP304H

Relevant standard of A 249 TP304H

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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