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S21904 Stainless Steel vs. Grade CZ100 Nickel

S21904 stainless steel belongs to the iron alloys classification, while grade CZ100 nickel belongs to the nickel alloys. 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 S21904 stainless steel and the bottom bar is grade CZ100 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 17 to 51
11
Fatigue Strength, MPa 380 to 550
68
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
69
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
390
Tensile Strength: Yield (Proof), MPa 390 to 910
140

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 980
900
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1350
1300
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 14
73
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
19

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 43
140
Embodied Water, L/kg 160
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
35
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
54
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 25 to 36
12
Strength to Weight: Bending, points 23 to 29
14
Thermal Diffusivity, mm2/s 3.8
19
Thermal Shock Resistance, points 15 to 21
14

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 1.0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 59.5 to 67.4
0 to 3.0
Manganese (Mn), % 8.0 to 10
0 to 1.5
Nickel (Ni), % 5.5 to 7.5
95 to 100
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030