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Fe E 420 KW

Italy UNI FeE420KW Cold rolled flat finished products of special steel. Plates and strips with thickness greater than or equal to 3 mm for highly stressed finished structures and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FeE420KW / Fe E 420 KW
Category Grade Standard Region/Area Standard Content
Metals Fe E 420 KW UNI 7382 Italy Cold rolled flat finished products of special steel. Plates and strips with thickness greater than or equal to 3 mm for highly stressed finished structures

Chemical composition(mass fraction)(wt.%) of the Fe E 420 KW

Element Min Max Similar
V 0.0200 0.2000 -
Ti - 0.2000 -
Si - 0.5000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.7000 -
Nb 0.0150 0.0600 -
Mo - 0.4000 -
Mn 1.0000 1.6000 -
Cu - 0.6000 -
Cr - 0.4000 -
C - 0.2000 -
Al 0.0150 - -

Mechanical Properties of steel grade Fe E 420 KW

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)
715 (≥) 224 (≥) 33 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade Fe E 420 KW

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
31 - -     0.13 -  
663 251 - 33.3 131   -  
852 - 23 34.2   222 442

Heat Treatment of steel grade Fe E 420 KW

Heat treated : 1894°C - 1412°C

Technological Curves of steel grade Fe E 420 KW

Cross Reference Table (Equivalent Grade) of Fe E 420 KW

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