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EN 1.0540 Steel vs. Grade 7 Titanium

EN 1.0540 steel belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0540 steel and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14
24
Fatigue Strength, MPa 210
250
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
38
Shear Strength, MPa 400
270
Tensile Strength: Ultimate (UTS), MPa 660
420
Tensile Strength: Yield (Proof), MPa 330
340

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 48
22
Thermal Expansion, µm/m-K 12
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
47
Embodied Energy, MJ/kg 19
800
Embodied Water, L/kg 47
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
95
Resilience: Unit (Modulus of Resilience), kJ/m3 290
560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 13
8.9
Thermal Shock Resistance, points 21
31

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.080
Chromium (Cr), % 0 to 0.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.2 to 98.9
0 to 0.3
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.045
0
Titanium (Ti), % 0
98.7 to 99.88
Residuals, % 0
0 to 0.4