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S21640 Stainless Steel vs. Nickel 59

S21640 stainless steel belongs to the iron alloys classification, while nickel 59 belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S21640 stainless steel and the bottom bar is nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 46
50
Fatigue Strength, MPa 320
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
84
Shear Strength, MPa 520
560
Tensile Strength: Ultimate (UTS), MPa 740
780
Tensile Strength: Yield (Proof), MPa 350
350

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 15
10
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
65
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 3.6
12
Embodied Energy, MJ/kg 51
160
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
320
Resilience: Unit (Modulus of Resilience), kJ/m3 300
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.0
2.7
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.4
Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 17.5 to 19.5
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 63 to 74.3
0 to 1.5
Manganese (Mn), % 3.5 to 6.5
0 to 0.5
Molybdenum (Mo), % 0.5 to 2.0
15 to 16.5
Nickel (Ni), % 4.0 to 6.5
56.2 to 62.9
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0
Phosphorus (P), % 0 to 0.060
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010