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ACI-ASTM CH20 Steel vs. C79600 Nickel Silver

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C79600 nickel silver belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 38
15
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 610
480
Tensile Strength: Yield (Proof), MPa 350
300

Thermal Properties

Latent Heat of Fusion, J/g 310
180
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1410
930
Melting Onset (Solidus), °C 1430
880
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
36
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.7
3.5
Embodied Energy, MJ/kg 53
57
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
63
Resilience: Unit (Modulus of Resilience), kJ/m3 300
400
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 15
15

Alloy Composition


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Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
43.5 to 46.5
Iron (Fe), % 54.7 to 66
0
Lead (Pb), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 1.5
1.5 to 2.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
9.0 to 11
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
38.3 to 45.2
Residuals, % 0
0 to 0.5