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America UNS K12220 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K12220 / K12220
Category Grade Standard Region/Area Standard Content
Metals K12220 -- America Alloy Steel

Chemical composition(mass fraction)(wt.%) of the K12220

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0400 -
P - 0.0400 -
Ni - 0.2500 -
Mo 0.4000 0.6000 -
Mn - 0.8000 -
Cu - 0.2500 -
Cr - 0.2500 -
C - 0.2200 -

Mechanical Properties of steel grade K12220

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)
599 (≥) 763 (≥) 24 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade K12220

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
44 - -     0.41 -  
527 555 - 31.3 424   -  
944 - 22 42.2   312 412

Heat Treatment of steel grade K12220

Heat treated : 1164°C - 1648°C

Technological Curves of steel grade K12220

Cross Reference Table (Equivalent Grade) of K12220

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