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S21640 Stainless Steel vs. EN 2.4608 Nickel

S21640 stainless steel belongs to the iron alloys classification, while EN 2.4608 nickel belongs to the nickel alloys. They have 44% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S21640 stainless steel and the bottom bar is EN 2.4608 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 46
34
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 520
410
Tensile Strength: Ultimate (UTS), MPa 740
620
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
1000
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
55
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.6
8.4
Embodied Energy, MJ/kg 51
120
Embodied Water, L/kg 150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
170
Resilience: Unit (Modulus of Resilience), kJ/m3 300
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.030 to 0.080
Chromium (Cr), % 17.5 to 19.5
24 to 26
Cobalt (Co), % 0
2.5 to 4.0
Iron (Fe), % 63 to 74.3
11.4 to 23.8
Manganese (Mn), % 3.5 to 6.5
0 to 2.0
Molybdenum (Mo), % 0.5 to 2.0
2.5 to 4.0
Nickel (Ni), % 4.0 to 6.5
44 to 47
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0.7 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.5 to 4.0