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China HB K441 航空用高温合金热处理工艺 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K441 / K441
Category Grade Standard Region/Area Standard Content
Metals K441 HB/Z 140 China 航空用高温合金热处理工艺

Chemical composition(mass fraction)(wt.%) of the K441

Element Min Max Similar
S - 0.0100 -
P - 0.0150 -
Zr - 0.0500 -
B 0.0010 0.0100 -
Al 3.1000 4.0000 -
Mo 1.5000 3.0000 -
W 12.0000 15.0000 -
Ni - - -
Cr 15.0000 17.0000 -
C 0.0200 0.1000 -

Mechanical Properties of steel grade K441

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)
865 (≥) 742 (≥) 41 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade K441

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
33 - -     0.11 -  
768 911 - 31.3 342   -  
224 - 21 34.2   133 123

Heat Treatment of steel grade K441

Heat treated : 1436°C - 1186°C

Technological Curves of steel grade K441

Cross Reference Table (Equivalent Grade) of K441

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