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Grade 7 Titanium vs. Type 2 Pewter

Grade 7 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 7 titanium and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
13 to 23
Elastic (Young's, Tensile) Modulus, GPa 110
52
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 38
19
Tensile Strength: Ultimate (UTS), MPa 420
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 420
69
Melting Completion (Liquidus), °C 1660
300
Melting Onset (Solidus), °C 1610
240
Specific Heat Capacity, J/kg-K 540
220
Thermal Expansion, µm/m-K 9.2
21

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.3
Embodied Carbon, kg CO2/kg material 47
12
Embodied Energy, MJ/kg 800
210
Embodied Water, L/kg 470
1220

Common Calculations

Stiffness to Weight: Axial, points 13
3.9
Stiffness to Weight: Bending, points 35
17
Strength to Weight: Axial, points 26
2.0 to 2.6
Strength to Weight: Bending, points 28
4.3 to 5.1
Thermal Shock Resistance, points 31
3.4 to 4.4

Alloy Composition

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), % 0 to 0.3
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Tin (Sn), % 0
90 to 93
Titanium (Ti), % 98.7 to 99.88
0
Zinc (Zn), % 0
0 to 0.0050
Residuals, % 0 to 0.4
0