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America UNS K12103 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K12103 / K12103
Category Grade Standard Region/Area Standard Content
Metals K12103 -- America Alloy Steel

Chemical composition(mass fraction)(wt.%) of the K12103

Element Min Max Similar
V - 0.1000 -
Si 0.2000 0.4000 -
S - 0.0400 -
P - 0.0400 -
Ni - 0.5000 -
Mo 0.0700 0.1500 -
Mn 0.3000 0.4000 -
Cr 0.3000 0.4000 -
C 0.1000 0.3200 -

Mechanical Properties of steel grade K12103

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)
752 (≥) 564 (≥) 12 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade K12103

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 - -     0.31 -  
975 115 - 43.3 442   -  
156 - 13 41.2   442 213

Heat Treatment of steel grade K12103

Heat treated : 1398°C - 1948°C

Technological Curves of steel grade K12103

Cross Reference Table (Equivalent Grade) of K12103

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