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SAE-AISI 8620 Steel vs. C77100 Nickel Silver

SAE-AISI 8620 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 (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8620 steel and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
45
Tensile Strength: Ultimate (UTS), MPa 520 to 690
600
Tensile Strength: Yield (Proof), MPa 360 to 570
540

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 410
150
Melting Completion (Liquidus), °C 1460
990
Melting Onset (Solidus), °C 1420
950
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
27
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
3.5
Embodied Energy, MJ/kg 20
56
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
1280
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 18 to 24
21
Strength to Weight: Bending, points 18 to 22
20
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 15 to 20
19

Alloy Composition

Carbon (C), % 0.18 to 0.23
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
52 to 56
Iron (Fe), % 96.9 to 98
0
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.7 to 0.9
0 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
9.0 to 12
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
30.6 to 39
Residuals, % 0
0 to 0.5