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Grade 32 Titanium vs. EN 1.6958 Steel

Grade 32 titanium belongs to the titanium alloys classification, while EN 1.6958 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 390
700
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
56
Shear Modulus, GPa 40
73
Shear Strength, MPa 460
700
Tensile Strength: Ultimate (UTS), MPa 770
1140
Tensile Strength: Yield (Proof), MPa 670
1070

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
450
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.5
47
Thermal Expansion, µm/m-K 8.2
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 38
5.0
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 32
2.0
Embodied Energy, MJ/kg 530
27
Embodied Water, L/kg 180
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
3050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
40
Strength to Weight: Bending, points 41
31
Thermal Diffusivity, mm2/s 3.0
13
Thermal Shock Resistance, points 63
39

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0.0050 to 0.050
Carbon (C), % 0 to 0.080
0.25 to 0.3
Chromium (Cr), % 0
1.2 to 1.7
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
92.6 to 94.5
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0.6 to 1.2
0.35 to 0.55
Nickel (Ni), % 0
3.3 to 3.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.060 to 0.14
0.15 to 0.3
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Vanadium (V), % 0.6 to 1.4
0 to 0.12
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0