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Type 3 Magnetic Alloy vs. C68700 Brass

Type 3 magnetic alloy belongs to the nickel alloys classification, while C68700 brass belongs to the copper alloys. There are 24 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 Type 3 magnetic alloy and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 70
41
Tensile Strength: Ultimate (UTS), MPa 550
390
Tensile Strength: Yield (Proof), MPa 210
140

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 910
160
Melting Completion (Liquidus), °C 1370
970
Melting Onset (Solidus), °C 1320
930
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
23
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
25

Otherwise Unclassified Properties

Base Metal Price, % relative 55
26
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 8.7
2.8
Embodied Energy, MJ/kg 120
46
Embodied Water, L/kg 220
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 120
90
Stiffness to Weight: Axial, points 12
7.3
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 17
14
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
76 to 79
Iron (Fe), % 9.9 to 19
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5