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Type 1 Magnetic Alloy vs. ASTM A369 Grade FP9

Both Type 1 magnetic alloy and ASTM A369 grade FP9 are iron alloys. They have 55% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Type 1 magnetic alloy and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.0 to 38
20
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 500 to 830
470
Tensile Strength: Yield (Proof), MPa 220 to 790
240

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
6.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.0
Embodied Energy, MJ/kg 77
28
Embodied Water, L/kg 130
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
80
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
140
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 28
17
Strength to Weight: Bending, points 17 to 24
17
Thermal Shock Resistance, points 16 to 26
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0 to 0.3
8.0 to 10
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
87.1 to 90.3
Manganese (Mn), % 0 to 0.8
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.3
0.9 to 1.1
Nickel (Ni), % 43.5 to 46.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030