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Grade 6 Titanium vs. EN 1.3538 Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.3538 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.3538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 890
670 to 740

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
440
Melting Completion (Liquidus), °C 1580
1450
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
41
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
1.6
Embodied Energy, MJ/kg 480
21
Embodied Water, L/kg 190
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
24 to 26
Strength to Weight: Bending, points 46
22 to 23
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 65
20 to 22

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0 to 0.050
Carbon (C), % 0 to 0.080
0.93 to 1.1
Chromium (Cr), % 0
1.7 to 2.0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
96 to 97.2
Manganese (Mn), % 0
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0 to 0.0015
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0