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America SAE 347 Special Purpose Alloys ("Superalloys") and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 347 / 347
Category Grade Standard Region/Area Standard Content
Metals 347 SAE J 467 America Special Purpose Alloys ("Superalloys")

Chemical composition(mass fraction)(wt.%) of the 347

Element Min Max Similar
Si - 0.7500 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 13.0000 -
Nb - 1.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -

Mechanical Properties of steel grade 347

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)
162 (≥) 337 (≥) 21 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade 347

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
34 - -     0.12 -  
924 531 - 34.3 431   -  
936 - 34 42.2   414 144

Heat Treatment of steel grade 347

Heat treated : 1624°C - 1345°C

Technological Curves of steel grade 347

Cross Reference Table (Equivalent Grade) of 347

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