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America UNS K02803 Carbon steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K02803 / K02803
Category Grade Standard Region/Area Standard Content
Metals K02803 -- America Carbon steel

Chemical composition(mass fraction)(wt.%) of the K02803

Element Min Max Similar
Si 0.1300 0.4500 -
S - 0.0400 -
P - 0.0350 -
Mn 0.8400 1.5200 -
C - 0.2800 -

Mechanical Properties of steel grade K02803

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)
398 (≥) 448 (≥) 43 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade K02803

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
41 - -     0.23 -  
443 565 - 43.3 321   -  
227 - 31 33.2   312 124

Heat Treatment of steel grade K02803

Heat treated : 1353°C - 1427°C

Technological Curves of steel grade K02803

Cross Reference Table (Equivalent Grade) of K02803

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