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Grade 4 Titanium vs. EN 1.5520 Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.5520 steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 4 titanium and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
11 to 21
Fatigue Strength, MPa 340
210 to 300
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
62 to 75
Shear Modulus, GPa 41
73
Shear Strength, MPa 390
290 to 340
Tensile Strength: Ultimate (UTS), MPa 640
410 to 1410
Tensile Strength: Yield (Proof), MPa 530
300 to 480

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 19
50
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 500
19
Embodied Water, L/kg 110
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 1330
240 to 600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 40
15 to 50
Strength to Weight: Bending, points 37
16 to 36
Thermal Diffusivity, mm2/s 7.6
13
Thermal Shock Resistance, points 46
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
97.7 to 98.9
Manganese (Mn), % 0
0.9 to 1.2
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.6 to 100
0
Residuals, % 0 to 0.4
0