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X 20 CrNiSi 25-04

Spain UNE X20CrNiSi25-04 Heat-resisting steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X20CrNiSi25-04 / X 20 CrNiSi 25-04
Category Grade Standard Region/Area Standard Content
Metals X 20 CrNiSi 25-04 UNE 36017 Spain Heat-resisting steels

Chemical composition(mass fraction)(wt.%) of the X 20 CrNiSi 25-04

Element Min Max Similar

Mechanical Properties of steel grade X 20 CrNiSi 25-04

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)
371 (≥) 169 (≥) 41 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade X 20 CrNiSi 25-04

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 - -     0.34 -  
656 871 - 22.3 312   -  
644 - 12 13.2   243 344

Heat Treatment of steel grade X 20 CrNiSi 25-04

Heat treated : 1354°C - 1892°C

Technological Curves of steel grade X 20 CrNiSi 25-04

Cross Reference Table (Equivalent Grade) of X 20 CrNiSi 25-04

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