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S21900 Stainless Steel vs. C77100 Nickel Silver

S21900 stainless steel belongs to the iron alloys classification, while C77100 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
45
Tensile Strength: Ultimate (UTS), MPa 710
600
Tensile Strength: Yield (Proof), MPa 390
540

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 980
150
Melting Completion (Liquidus), °C 1400
990
Melting Onset (Solidus), °C 1350
950
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
27
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 43
56
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 380
1280
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
52 to 56
Iron (Fe), % 59.4 to 67.4
0
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 8.0 to 10
0 to 0.9
Nickel (Ni), % 5.5 to 7.5
9.0 to 12
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
30.6 to 39
Residuals, % 0
0 to 0.5