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C97800 Nickel Silver vs. ACI-ASTM CK20 Steel

C97800 nickel silver belongs to the copper alloys classification, while ACI-ASTM CK20 steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 C97800 nickel silver and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Elongation at Break, % 10
37
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 48
78
Tensile Strength: Ultimate (UTS), MPa 370
530
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 220
310
Maximum Temperature: Mechanical, °C 230
1100
Melting Completion (Liquidus), °C 1180
1400
Melting Onset (Solidus), °C 1140
1430
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 40
25
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 5.1
4.4
Embodied Energy, MJ/kg 76
62
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
160
Resilience: Unit (Modulus of Resilience), kJ/m3 120
170
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
19
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 7.3
3.7
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
23 to 27
Copper (Cu), % 64 to 67
0
Iron (Fe), % 0 to 1.5
46.7 to 58
Lead (Pb), % 1.0 to 2.5
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 24 to 27
19 to 22
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 2.0
Sulfur (S), % 0 to 0.080
0 to 0.040
Tin (Sn), % 4.0 to 5.5
0
Zinc (Zn), % 1.0 to 4.0
0
Residuals, % 0 to 0.4
0