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R58150 Titanium vs. EN 1.7390 Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.7390 steel belongs to the iron alloys. There are 27 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 EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 13
16
Fatigue Strength, MPa 330
310
Poisson's Ratio 0.32
0.29
Reduction in Area, % 68
50
Shear Modulus, GPa 52
74
Shear Strength, MPa 470
440
Tensile Strength: Ultimate (UTS), MPa 770
710
Tensile Strength: Yield (Proof), MPa 550
480

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 320
510
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
4.3
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
1.7
Embodied Energy, MJ/kg 480
23
Embodied Water, L/kg 150
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
25
Strength to Weight: Bending, points 35
23
Thermal Shock Resistance, points 48
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.18
Chromium (Cr), % 0
4.0 to 6.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
91.9 to 95.3
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 14 to 16
0.45 to 0.65
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 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 83.5 to 86
0