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S21640 Stainless Steel vs. EN 2.4815 Cast Nickel

S21640 stainless steel belongs to the iron alloys classification, while EN 2.4815 cast nickel belongs to the nickel alloys. They have 42% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S21640 stainless steel and the bottom bar is EN 2.4815 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
3.4
Fatigue Strength, MPa 320
89
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 740
460
Tensile Strength: Yield (Proof), MPa 350
220

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
47
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.6
7.9
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 150
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
13
Resilience: Unit (Modulus of Resilience), kJ/m3 300
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
15
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 4.0
6.4
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.65
Chromium (Cr), % 17.5 to 19.5
12 to 18
Iron (Fe), % 63 to 74.3
9.8 to 28.7
Manganese (Mn), % 3.5 to 6.5
0 to 2.0
Molybdenum (Mo), % 0.5 to 2.0
0 to 1.0
Nickel (Ni), % 4.0 to 6.5
58 to 66
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030