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HS 12-1-5-5

Italy UNI HS12-1-5-5 Hot rolled or forged finished steel products for tools. Special alloyed high speed steel qualities and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HS12-1-5-5 / HS 12-1-5-5
Category Grade Standard Region/Area Standard Content
Metals HS 12-1-5-5 UNI 2955-5 Italy Hot rolled or forged finished steel products for tools. Special alloyed high speed steel qualities

Chemical composition(mass fraction)(wt.%) of the HS 12-1-5-5

Element Min Max Similar

Mechanical Properties of steel grade HS 12-1-5-5

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)
588 (≥) 455 (≥) 31 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade HS 12-1-5-5

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
42 - -     0.42 -  
719 436 - 13.3 332   -  
155 - 42 33.2   422 342

Heat Treatment of steel grade HS 12-1-5-5

Heat treated : 1346°C - 1437°C

Technological Curves of steel grade HS 12-1-5-5

Cross Reference Table (Equivalent Grade) of HS 12-1-5-5

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