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ACI-ASTM CF20 Steel vs. EN 1.4869 Casting Alloy

ACI-ASTM CF20 steel belongs to the iron alloys classification, while EN 1.4869 casting alloy belongs to the nickel alloys. They have 48% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF20 steel and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 50
5.7
Fatigue Strength, MPa 240
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 530
540
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 970
1200
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
10
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 16
70
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.1
7.7
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
26
Resilience: Unit (Modulus of Resilience), kJ/m3 160
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 4.3
2.6
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0 to 0.2
0.45 to 0.55
Chromium (Cr), % 18 to 21
24 to 26
Cobalt (Co), % 0
14 to 16
Iron (Fe), % 64.2 to 74
11.4 to 23.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 8.0 to 11
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
4.0 to 6.0