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Spain UNE F.129 Alloy steels for quenching and tempering and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F.129 / F.129
Category Grade Standard Region/Area Standard Content
Metals F.129 UNE 36012 Spain Alloy steels for quenching and tempering

Chemical composition(mass fraction)(wt.%) of the F.129

Element Min Max Similar

Mechanical Properties of steel grade F.129

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)
923 (≥) 251 (≥) 34 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade F.129

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
32 - -     0.32 -  
777 366 - 11.3 322   -  
387 - 13 22.2   142 432

Heat Treatment of steel grade F.129

Heat treated : 1555°C - 1867°C

Technological Curves of steel grade F.129

Cross Reference Table (Equivalent Grade) of F.129

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