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SA-249 Grade TP 309

America ASME SA-249GradeTP309 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管子 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-249 Grade TP 309 ASME SA-249/SA-249M America 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管子

Chemical composition(mass fraction)(wt.%) of the SA-249 Grade TP 309

Element Min Max Similar
Si - 0.7500 -
S - 0.0300 -
P - 0.0400 -
Ni 12.0000 15.0000 -
Mn - 2.0000 -
Cr 22.0000 24.0000 -
C - 0.1500 -

Mechanical Properties of steel grade SA-249 Grade TP 309

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)
888 (≥) 116 (≥) 14 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade SA-249 Grade TP 309

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
14 - -     0.23 -  
849 578 - 22.3 241   -  
285 - 24 14.2   331 323

Heat Treatment of steel grade SA-249 Grade TP 309

Heat treated : 1812°C - 1279°C

Technological Curves of steel grade SA-249 Grade TP 309

Cross Reference Table (Equivalent Grade) of SA-249 Grade TP 309

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