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America UNS K03020 Carbon steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K03020 / K03020
Category Grade Standard Region/Area Standard Content
Metals K03020 -- America Carbon steel

Chemical composition(mass fraction)(wt.%) of the K03020

Element Min Max Similar
V - 0.0500 -
Si 0.1500 0.4000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.4000 -
Mo - 0.1000 -
Mn 0.7000 1.3500 -
Cr - 0.2500 -
C - 0.3000 -

Mechanical Properties of steel grade K03020

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)
645 (≥) 893 (≥) 32 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade K03020

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 - -     0.33 -  
667 655 - 34.3 422   -  
161 - 44 31.2   311 312

Heat Treatment of steel grade K03020

Heat treated : 1893°C - 1249°C

Technological Curves of steel grade K03020

Cross Reference Table (Equivalent Grade) of K03020

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