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Type 2 Pewter vs. Grade 21 Titanium

Type 2 pewter belongs to the otherwise unclassified metals classification, while grade 21 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
140
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 19
51
Tensile Strength: Ultimate (UTS), MPa 52 to 68
890 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 69
410
Melting Completion (Liquidus), °C 300
1740
Melting Onset (Solidus), °C 240
1690
Specific Heat Capacity, J/kg-K 220
500
Thermal Expansion, µm/m-K 21
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 75
60
Density, g/cm3 7.3
5.4
Embodied Carbon, kg CO2/kg material 12
32
Embodied Energy, MJ/kg 210
490
Embodied Water, L/kg 1220
180

Common Calculations

Stiffness to Weight: Axial, points 3.9
14
Stiffness to Weight: Bending, points 17
32
Strength to Weight: Axial, points 2.0 to 2.6
46 to 69
Strength to Weight: Bending, points 4.3 to 5.1
38 to 50
Thermal Shock Resistance, points 3.4 to 4.4
66 to 100

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 0.050
Copper (Cu), % 1.5 to 3.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.015
0 to 0.4
Lead (Pb), % 0 to 0.050
0
Molybdenum (Mo), % 0
14 to 16
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0
0.15 to 0.25
Tin (Sn), % 90 to 93
0
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 0 to 0.0050
0
Residuals, % 0
0 to 0.4

Comparable Variants