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R58150 Titanium vs. EN 1.4931 Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.4931 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
17
Fatigue Strength, MPa 330
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
76
Tensile Strength: Ultimate (UTS), MPa 770
810
Tensile Strength: Yield (Proof), MPa 550
620

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
14

Otherwise Unclassified Properties

Base Metal Price, % relative 48
8.5
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
2.9
Embodied Energy, MJ/kg 480
42
Embodied Water, L/kg 150
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 40
29
Strength to Weight: Bending, points 35
25
Thermal Shock Resistance, points 48
22

Alloy Composition

Carbon (C), % 0 to 0.1
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
83.2 to 86.8
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 14 to 16
1.0 to 1.2
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 83.5 to 86
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35