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C78200 Nickel Silver vs. ACI-ASTM CF20 Steel

C78200 nickel silver belongs to the copper alloys classification, while ACI-ASTM CF20 steel belongs to the iron alloys. There are 28 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 ACI-ASTM CF20 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
77
Tensile Strength: Ultimate (UTS), MPa 370 to 630
530
Tensile Strength: Yield (Proof), MPa 170 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
970
Melting Completion (Liquidus), °C 1000
1420
Melting Onset (Solidus), °C 970
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 48
16
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
16
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1440
160
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 21
19
Strength to Weight: Bending, points 14 to 19
19
Thermal Diffusivity, mm2/s 15
4.3
Thermal Shock Resistance, points 12 to 21
11

Alloy Composition

Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 63 to 67
0
Iron (Fe), % 0 to 0.35
64.2 to 74
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Nickel (Ni), % 7.0 to 9.0
8.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 20.2 to 28.5
0
Residuals, % 0 to 0.5
0