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EN 1.4869 Casting Alloy vs. S31727 Stainless Steel

EN 1.4869 casting alloy belongs to the nickel alloys classification, while S31727 stainless steel belongs to the iron alloys. They have 52% of their average alloy composition in common. There are 25 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 S31727 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
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 540
630
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1200
1010
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
24
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 7.7
4.7
Embodied Energy, MJ/kg 110
64
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
200
Resilience: Unit (Modulus of Resilience), kJ/m3 230
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.030
Chromium (Cr), % 24 to 26
17.5 to 19
Cobalt (Co), % 14 to 16
0
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 11.4 to 23.6
53.7 to 61.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 33 to 37
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 4.0 to 6.0
0