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SAE-AISI O2 Steel vs. C75200 Nickel Silver

SAE-AISI O2 steel belongs to the iron alloys classification, while C75200 nickel silver belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O2 steel and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
47
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Melting Completion (Liquidus), °C 1450
1110
Melting Onset (Solidus), °C 1410
1070
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 43
33
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
33
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.8
4.1
Embodied Energy, MJ/kg 26
62
Embodied Water, L/kg 50
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23 to 73
13 to 21
Strength to Weight: Bending, points 21 to 46
14 to 20
Thermal Diffusivity, mm2/s 12
9.8
Thermal Shock Resistance, points 22 to 70
13 to 22

Alloy Composition

Carbon (C), % 0.85 to 1.0
0
Chromium (Cr), % 0 to 0.5
0
Copper (Cu), % 0 to 0.25
63.5 to 66.5
Iron (Fe), % 95 to 97.8
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.4 to 1.8
0 to 0.5
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
16.5 to 19.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.3
0
Zinc (Zn), % 0
12.7 to 20
Residuals, % 0
0 to 0.5