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110 W 4 KU

Italy UNI 110W4KU Hot rolled or forged finished steel products for tools. Special alloyed steel qualities for cold working and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 110W4KU / 110 W 4 KU
Category Grade Standard Region/Area Standard Content
Metals 110 W 4 KU UNI 2955-3 Italy Hot rolled or forged finished steel products for tools. Special alloyed steel qualities for cold working

Chemical composition(mass fraction)(wt.%) of the 110 W 4 KU

Element Min Max Similar
W 0.9000 1.2000 -
V - 0.2000 -
Si - 0.4000 -
S - 0.0300 -
P - 0.0300 -
Mn - 0.3500 -
Cr - 0.2500 -
C 0.9500 1.2500 -

Mechanical Properties of steel grade 110 W 4 KU

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)
721 (≥) 353 (≥) 21 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 110 W 4 KU

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
14 - -     0.32 -  
171 518 - 42.3 343   -  
488 - 33 22.2   343 341

Heat Treatment of steel grade 110 W 4 KU

Heat treated : 1986°C - 1151°C

Technological Curves of steel grade 110 W 4 KU

Cross Reference Table (Equivalent Grade) of 110 W 4 KU

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