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America UNS K22578 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K22578 / K22578
Category Grade Standard Region/Area Standard Content
Metals K22578 -- America Alloy Steel

Chemical composition(mass fraction)(wt.%) of the K22578

Element Min Max Similar

Mechanical Properties of steel grade K22578

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)
482 (≥) 785 (≥) 24 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade K22578

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
21 - -     0.41 -  
439 185 - 44.3 121   -  
211 - 43 44.2   431 243

Heat Treatment of steel grade K22578

Heat treated : 1912°C - 1182°C

Technological Curves of steel grade K22578

Cross Reference Table (Equivalent Grade) of K22578

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