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Type 2 Pewter vs. Grade 18 Titanium

Type 2 pewter belongs to the otherwise unclassified metals classification, while grade 18 titanium belongs to the titanium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
110
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 52 to 68
690 to 980

Thermal Properties

Latent Heat of Fusion, J/g 69
410
Melting Completion (Liquidus), °C 300
1640
Melting Onset (Solidus), °C 240
1590
Specific Heat Capacity, J/kg-K 220
550
Thermal Expansion, µm/m-K 21
9.9

Otherwise Unclassified Properties

Density, g/cm3 7.3
4.5
Embodied Carbon, kg CO2/kg material 12
41
Embodied Energy, MJ/kg 210
670
Embodied Water, L/kg 1220
270

Common Calculations

Stiffness to Weight: Axial, points 3.9
13
Stiffness to Weight: Bending, points 17
35
Strength to Weight: Axial, points 2.0 to 2.6
43 to 61
Strength to Weight: Bending, points 4.3 to 5.1
39 to 49
Thermal Shock Resistance, points 3.4 to 4.4
47 to 67

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.5
Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 1.5 to 3.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.015
0 to 0.25
Lead (Pb), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Tin (Sn), % 90 to 93
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.0050
0
Residuals, % 0
0 to 0.4

Comparable Variants