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EN 1.4869 Casting Alloy vs. SAE-AISI A3 Steel

EN 1.4869 casting alloy belongs to the nickel alloys classification, while SAE-AISI A3 steel belongs to the iron alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4869 casting alloy and the bottom bar is SAE-AISI A3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
700 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 10
37
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
6.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
4.4
Embodied Energy, MJ/kg 110
67
Embodied Water, L/kg 300
78

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
25 to 77
Strength to Weight: Bending, points 17
23 to 48
Thermal Diffusivity, mm2/s 2.6
10
Thermal Shock Resistance, points 14
23 to 70

Alloy Composition

Carbon (C), % 0.45 to 0.55
1.2 to 1.3
Chromium (Cr), % 24 to 26
4.8 to 5.5
Cobalt (Co), % 14 to 16
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 11.4 to 23.6
88.7 to 92
Manganese (Mn), % 0 to 1.0
0.4 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 33 to 37
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 6.0
0
Vanadium (V), % 0
0.8 to 1.4