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China HB K477 航空用高温合金热处理工艺 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K477 / K477
Category Grade Standard Region/Area Standard Content
Metals K477 HB/Z 140 China 航空用高温合金热处理工艺

Chemical composition(mass fraction)(wt.%) of the K477

Element Min Max Similar
Cu - 0.1000 -
Pb - 0.0005 -
Bi - 0.0000 -
As - 0.0010 -
Sn - 0.0010 -
Ag - 0.0005 -
Sb - 0.0010 -
S - 0.0150 -
P - 0.0150 -
Si - 0.2000 -
Mn - 0.1500 -
Zr - 0.0400 -
B 0.0120 0.0200 -
Fe - 0.5000 -
Ti 3.0000 3.7000 -
Al 4.0000 4.6000 -
Mo 3.9000 4.5000 -
Co 14.0000 16.0000 -
Ni - - -
Cr 14.0000 15.2500 -
C 0.0500 0.0900 -

Mechanical Properties of steel grade K477

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)
313 (≥) 594 (≥) 31 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade K477

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
12 - -     0.34 -  
285 992 - 14.3 433   -  
296 - 44 31.2   313 423

Heat Treatment of steel grade K477

Heat treated : 1785°C - 1385°C

Technological Curves of steel grade K477

Cross Reference Table (Equivalent Grade) of K477

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