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R58150 Titanium vs. EN 1.7779 Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.7779 steel belongs to the iron alloys. There are 26 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 R58150 titanium and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 13
16
Fatigue Strength, MPa 330
430
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 52
73
Shear Strength, MPa 470
500
Tensile Strength: Ultimate (UTS), MPa 770
810
Tensile Strength: Yield (Proof), MPa 550
660

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 320
470
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
4.0
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
2.8
Embodied Energy, MJ/kg 480
41
Embodied Water, L/kg 150
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 40
29
Strength to Weight: Bending, points 35
25
Thermal Shock Resistance, points 48
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.1
0.17 to 0.23
Chromium (Cr), % 0
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
93.8 to 95.4
Manganese (Mn), % 0
0.3 to 0.5
Molybdenum (Mo), % 14 to 16
0.5 to 0.6
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 83.5 to 86
0
Vanadium (V), % 0
0.45 to 0.55