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R58150 Titanium vs. ASTM A369 Grade FP91

R58150 titanium belongs to the titanium alloys classification, while ASTM A369 grade FP91 belongs to the iron alloys. There are 26 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 R58150 titanium and the bottom bar is ASTM A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 13
19
Fatigue Strength, MPa 330
320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
75
Shear Strength, MPa 470
410
Tensile Strength: Ultimate (UTS), MPa 770
670
Tensile Strength: Yield (Proof), MPa 550
460

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 320
600
Melting Completion (Liquidus), °C 1760
1460
Melting Onset (Solidus), °C 1700
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 8.4
13

Otherwise Unclassified Properties

Base Metal Price, % relative 48
7.0
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 480
37
Embodied Water, L/kg 150
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 35
22
Thermal Shock Resistance, points 48
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0 to 0.1
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
87.3 to 90.3
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 14 to 16
0.85 to 1.1
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0 to 0.050
0.030 to 0.070
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.2 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 83.5 to 86
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010