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Spain UNE AMC20 Ferritic casting steels for low temperatures and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AMC20 / AM C 20
Category Grade Standard Region/Area Standard Content
Metals AM C 20 UNE 36256 Spain Ferritic casting steels for low temperatures

Chemical composition(mass fraction)(wt.%) of the AM C 20

Element Min Max Similar
Si - 0.6000 -
S - 0.0400 -
P - 0.0400 -
Mn 0.5000 0.8000 -
C 0.1800 0.2300 -

Mechanical Properties of steel grade AM C 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)
679 (≥) 961 (≥) 14 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade AM C 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
44 - -     0.14 -  
574 535 - 41.3 114   -  
953 - 13 32.2   242 313

Heat Treatment of steel grade AM C 20

Heat treated : 1221°C - 1387°C

Technological Curves of steel grade AM C 20

Cross Reference Table (Equivalent Grade) of AM C 20

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