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EN 1.4869 Casting Alloy vs. S31254 Stainless Steel

EN 1.4869 casting alloy belongs to the nickel alloys classification, while S31254 stainless steel belongs to the iron alloys. They have 56% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
40
Fatigue Strength, MPa 130
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 540
720
Tensile Strength: Yield (Proof), MPa 310
330

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 1200
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 10
14
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
28
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 7.7
5.5
Embodied Energy, MJ/kg 110
74
Embodied Water, L/kg 300
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
240
Resilience: Unit (Modulus of Resilience), kJ/m3 230
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 2.6
3.8
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.020
Chromium (Cr), % 24 to 26
19.5 to 20.5
Cobalt (Co), % 14 to 16
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 11.4 to 23.6
51.4 to 56.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 33 to 37
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 4.0 to 6.0
0