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AM-X 40 CrNi 25 20

Spain UNE AM-X40CrNi2520 Refractory cast steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals AM-X 40 CrNi 25 20 UNE 36258 Spain Refractory cast steel

Chemical composition(mass fraction)(wt.%) of the AM-X 40 CrNi 25 20

Element Min Max Similar

Mechanical Properties of steel grade AM-X 40 CrNi 25 20

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)
885 (≥) 444 (≥) 33 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade AM-X 40 CrNi 25 20

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
12 - -     0.14 -  
431 345 - 14.3 443   -  
724 - 22 31.2   143 423

Heat Treatment of steel grade AM-X 40 CrNi 25 20

Heat treated : 1564°C - 1465°C

Technological Curves of steel grade AM-X 40 CrNi 25 20

Cross Reference Table (Equivalent Grade) of AM-X 40 CrNi 25 20

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