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Grade 38 Titanium vs. Type 2 Pewter

Grade 38 titanium belongs to the titanium alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 38 titanium and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
52
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 40
19
Tensile Strength: Ultimate (UTS), MPa 1000
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 410
69
Melting Completion (Liquidus), °C 1620
300
Melting Onset (Solidus), °C 1570
240
Specific Heat Capacity, J/kg-K 550
220
Thermal Expansion, µm/m-K 9.3
21

Otherwise Unclassified Properties

Base Metal Price, % relative 36
75
Density, g/cm3 4.5
7.3
Embodied Carbon, kg CO2/kg material 35
12
Embodied Energy, MJ/kg 560
210
Embodied Water, L/kg 160
1220

Common Calculations

Stiffness to Weight: Axial, points 13
3.9
Stiffness to Weight: Bending, points 35
17
Strength to Weight: Axial, points 62
2.0 to 2.6
Strength to Weight: Bending, points 49
4.3 to 5.1
Thermal Shock Resistance, points 72
3.4 to 4.4

Alloy Composition

Aluminum (Al), % 3.5 to 4.5
0
Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
1.5 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 1.2 to 1.8
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.2 to 0.3
0
Tin (Sn), % 0
90 to 93
Titanium (Ti), % 89.9 to 93.1
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.0050
Residuals, % 0 to 0.4
0