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EN 1.4869 Casting Alloy vs. SAE-AISI D4 Steel

EN 1.4869 casting alloy belongs to the nickel alloys classification, while SAE-AISI D4 steel belongs to the iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.7
8.4 to 15
Fatigue Strength, MPa 130
310 to 920
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 540
760 to 2060
Tensile Strength: Yield (Proof), MPa 310
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 10
31
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.0
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 7.7
3.3
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 300
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
100 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
27 to 75
Strength to Weight: Bending, points 17
24 to 47
Thermal Diffusivity, mm2/s 2.6
8.3
Thermal Shock Resistance, points 14
23 to 63

Alloy Composition

Carbon (C), % 0.45 to 0.55
2.1 to 2.4
Chromium (Cr), % 24 to 26
11 to 13
Cobalt (Co), % 14 to 16
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 11.4 to 23.6
80.6 to 86.3
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
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 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 6.0
0
Vanadium (V), % 0
0 to 1.0