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Type 4 Magnetic Alloy vs. C90500 Gun Metal

Type 4 magnetic alloy belongs to the nickel alloys classification, while C90500 gun metal belongs to the copper alloys. There are 27 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 Type 4 magnetic alloy and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 2.0 to 40
20
Fatigue Strength, MPa 220 to 400
90
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
320
Tensile Strength: Yield (Proof), MPa 270 to 1040
160

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1420
1000
Melting Onset (Solidus), °C 1370
850
Specific Heat Capacity, J/kg-K 440
370
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
35
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 10
3.6
Embodied Energy, MJ/kg 140
59
Embodied Water, L/kg 210
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
54
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
110
Stiffness to Weight: Axial, points 12
6.9
Stiffness to Weight: Bending, points 22
18
Strength to Weight: Axial, points 19 to 35
10
Strength to Weight: Bending, points 18 to 27
12
Thermal Shock Resistance, points 21 to 37
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.3
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
86 to 89
Iron (Fe), % 9.5 to 17.5
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 3.5 to 6.0
0
Nickel (Ni), % 79 to 82
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 1.5
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.020
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
1.0 to 3.0
Residuals, % 0
0 to 0.3