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ASTM B817 Type II vs. ASTM F15 Fe-Ni-Co

ASTM B817 type II belongs to the titanium alloys classification, while ASTM F15 Fe-Ni-Co belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is ASTM F15 Fe-Ni-Co.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900 to 960
520 to 880

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 1580
1410
Melting Onset (Solidus), °C 1530
1450
Specific Heat Capacity, J/kg-K 550
460
Thermal Expansion, µm/m-K 9.9
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
49
Density, g/cm3 4.6
8.3
Embodied Carbon, kg CO2/kg material 40
5.2
Embodied Energy, MJ/kg 650
71
Embodied Water, L/kg 220
190

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 55 to 58
17 to 29
Strength to Weight: Bending, points 45 to 47
17 to 24
Thermal Shock Resistance, points 62 to 66
32 to 55

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0 to 0.1
Carbon (C), % 0 to 0.1
0 to 0.040
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
0 to 0.2
Cobalt (Co), % 0
16 to 18
Copper (Cu), % 0.35 to 1.0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
50.3 to 56
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
28 to 30
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0 to 0.2
Sodium (Na), % 0 to 0.2
0
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.1 to 87.8
0 to 0.1
Vanadium (V), % 5.0 to 6.0
0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0 to 0.4
0