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EN 1.4869 Casting Alloy vs. S21904 Stainless Steel

EN 1.4869 casting alloy belongs to the nickel alloys classification, while S21904 stainless steel belongs to the iron alloys. They have 45% of their average alloy composition in common. There are 27 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 S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
17 to 51
Fatigue Strength, MPa 130
380 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 540
700 to 1000
Tensile Strength: Yield (Proof), MPa 310
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1200
980
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 10
14
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 7.7
3.0
Embodied Energy, MJ/kg 110
43
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 230
380 to 2070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
25 to 36
Strength to Weight: Bending, points 17
23 to 29
Thermal Diffusivity, mm2/s 2.6
3.8
Thermal Shock Resistance, points 14
15 to 21

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.040
Chromium (Cr), % 24 to 26
19 to 21.5
Cobalt (Co), % 14 to 16
0
Iron (Fe), % 11.4 to 23.6
59.5 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 33 to 37
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
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