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R58150 Titanium vs. EN 1.5805 Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.5805 steel belongs to the iron alloys. There are 20 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 R58150 titanium and the bottom bar is EN 1.5805 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 52
73
Tensile Strength: Ultimate (UTS), MPa 770
460 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 320
430
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
3.1
Density, g/cm3 5.4
7.9
Embodied Carbon, kg CO2/kg material 31
1.6
Embodied Energy, MJ/kg 480
21
Embodied Water, L/kg 150
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 40
16 to 42
Strength to Weight: Bending, points 35
17 to 32
Thermal Shock Resistance, points 48
13 to 35

Alloy Composition

Carbon (C), % 0 to 0.1
0.070 to 0.12
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
95.7 to 97.2
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 14 to 16
0
Nickel (Ni), % 0
1.2 to 1.5
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 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 83.5 to 86
0