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S21603 Stainless Steel vs. N08221 Nickel

S21603 stainless steel belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have 57% of their average alloy composition in common. There are 27 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 S21603 stainless steel and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 360
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 490
410
Tensile Strength: Ultimate (UTS), MPa 690
610
Tensile Strength: Yield (Proof), MPa 390
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 990
980
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
44
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.6
7.9
Embodied Energy, MJ/kg 50
110
Embodied Water, L/kg 160
240

Common Calculations

PREN (Pitting Resistance) 34
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
170
Resilience: Unit (Modulus of Resilience), kJ/m3 380
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 17.5 to 22
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 57.6 to 67.8
22 to 33.9
Manganese (Mn), % 7.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
5.0 to 6.5
Nickel (Ni), % 5.0 to 7.0
39 to 46
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0