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Type 3 Magnetic Alloy vs. EN 1.6958 Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while EN 1.6958 steel belongs to the iron alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
16
Fatigue Strength, MPa 170
700
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 380
700
Tensile Strength: Ultimate (UTS), MPa 550
1140
Tensile Strength: Yield (Proof), MPa 210
1070

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
450
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 55
5.0
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 8.7
2.0
Embodied Energy, MJ/kg 120
27
Embodied Water, L/kg 220
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 120
3050
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
40
Strength to Weight: Bending, points 17
31
Thermal Shock Resistance, points 18
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.050
0.25 to 0.3
Chromium (Cr), % 2.0 to 3.0
1.2 to 1.7
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
92.6 to 94.5
Manganese (Mn), % 0 to 1.5
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0.35 to 0.55
Nickel (Ni), % 75 to 78
3.3 to 3.8
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.015
Vanadium (V), % 0
0 to 0.12