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Grade 4 Titanium vs. EN 1.5501 Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.5501 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 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120 to 150
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
12 to 17
Fatigue Strength, MPa 340
180 to 270
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
63 to 73
Shear Modulus, GPa 41
73
Shear Strength, MPa 390
270 to 310
Tensile Strength: Ultimate (UTS), MPa 640
390 to 510
Tensile Strength: Yield (Proof), MPa 530
260 to 420

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
52
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 500
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 1330
190 to 460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 40
14 to 18
Strength to Weight: Bending, points 37
15 to 18
Thermal Diffusivity, mm2/s 7.6
14
Thermal Shock Resistance, points 46
11 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.080
0.13 to 0.16
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
98.4 to 99.269
Manganese (Mn), % 0
0.6 to 0.8
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