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Spain UNE F.128 Alloy steels for quenching and tempering and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F.128 / F.128
Category Grade Standard Region/Area Standard Content
Metals F.128 UNE 36012 Spain Alloy steels for quenching and tempering

Chemical composition(mass fraction)(wt.%) of the F.128

Element Min Max Similar

Mechanical Properties of steel grade F.128

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)
243 (≥) 992 (≥) 22 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade F.128

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
23 - -     0.23 -  
962 413 - 24.3 231   -  
637 - 43 21.2   231 141

Heat Treatment of steel grade F.128

Heat treated : 1392°C - 1359°C

Technological Curves of steel grade F.128

Cross Reference Table (Equivalent Grade) of F.128

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