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ASTM F15 Fe-Ni-Co vs. SAE-AISI T15 Steel

Both ASTM F15 Fe-Ni-Co and SAE-AISI T15 steel are iron alloys. They have 59% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM F15 Fe-Ni-Co and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 520 to 880
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1410
1690
Melting Onset (Solidus), °C 1450
1640
Specific Heat Capacity, J/kg-K 460
430
Thermal Conductivity, W/m-K 17
21
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 49
43
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 5.2
16
Embodied Energy, MJ/kg 71
250
Embodied Water, L/kg 190
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 17 to 29
26 to 71
Strength to Weight: Bending, points 17 to 24
22 to 43
Thermal Diffusivity, mm2/s 4.5
5.6
Thermal Shock Resistance, points 32 to 55
26 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.040
1.5 to 1.6
Chromium (Cr), % 0 to 0.2
3.8 to 5.0
Cobalt (Co), % 16 to 18
4.8 to 5.3
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 50.3 to 56
67.5 to 73.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.2
0 to 1.0
Nickel (Ni), % 28 to 30
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3
Zirconium (Zr), % 0 to 0.1
0

Comparable Variants