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America UNS K22720 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K22720 / K22720
Category Grade Standard Region/Area Standard Content
Metals K22720 -- America Alloy Steel

Chemical composition(mass fraction)(wt.%) of the K22720

Element Min Max Similar
V 0.0800 0.1500 -
Si 0.6000 0.9000 -
S - 0.0080 -
P - 0.0150 -
O - 0.0025 -
N - 0.0050 -
Mo 0.8000 1.2000 -
Mn 0.4000 0.6000 -
H - 0.0010 -
Cu - 0.5000 -
Cr 0.8000 1.2000 -
C 0.1800 0.2300 -

Mechanical Properties of steel grade K22720

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)
424 (≥) 782 (≥) 31 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade K22720

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
42 - -     0.33 -  
567 563 - 43.3 222   -  
893 - 13 22.2   332 433

Heat Treatment of steel grade K22720

Heat treated : 1258°C - 1118°C

Technological Curves of steel grade K22720

Cross Reference Table (Equivalent Grade) of K22720

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