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Grade 6 Titanium vs. EN 1.5507 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.5507 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.32
0.29
Reduction in Area, % 27
58 to 72
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 890
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
410
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
49
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
1.4
Embodied Energy, MJ/kg 480
19
Embodied Water, L/kg 190
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
16 to 31
Strength to Weight: Bending, points 46
17 to 26
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 65
13 to 26

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.080
0.21 to 0.25
Chromium (Cr), % 0
0.25 to 0.35
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
97.8 to 98.7
Manganese (Mn), % 0
0.8 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0 to 0.060
Residuals, % 0 to 0.4
0