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C78200 Nickel Silver vs. S21900 Stainless Steel

C78200 nickel silver belongs to the copper alloys classification, while S21900 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C78200 nickel silver and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 3.0 to 40
50
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 280 to 400
510
Tensile Strength: Ultimate (UTS), MPa 370 to 630
710
Tensile Strength: Yield (Proof), MPa 170 to 570
390

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 1000
1400
Melting Onset (Solidus), °C 970
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 28
15
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 52
43
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 120
300
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1440
380
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 21
26
Strength to Weight: Bending, points 14 to 19
23
Thermal Diffusivity, mm2/s 15
3.8
Thermal Shock Resistance, points 12 to 21
15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 63 to 67
0
Iron (Fe), % 0 to 0.35
59.4 to 67.4
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0 to 0.5
8.0 to 10
Nickel (Ni), % 7.0 to 9.0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 20.2 to 28.5
0
Residuals, % 0 to 0.5
0