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R58150 Titanium vs. EN 1.7227 Steel

R58150 titanium belongs to the titanium alloys classification, while EN 1.7227 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 1.7227 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
540 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 320
420
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
2.5
Density, g/cm3 5.4
7.8
Embodied Carbon, kg CO2/kg material 31
1.5
Embodied Energy, MJ/kg 480
20
Embodied Water, L/kg 150
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 40
19 to 65
Strength to Weight: Bending, points 35
19 to 43
Thermal Shock Resistance, points 48
16 to 54

Alloy Composition

Carbon (C), % 0 to 0.1
0.38 to 0.45
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
96.5 to 98
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 14 to 16
0.15 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 to 0.3
Sulfur (S), % 0
0.020 to 0.040
Titanium (Ti), % 83.5 to 86
0