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Type 2 Pewter vs. AWS ERTi-7

Type 2 pewter belongs to the otherwise unclassified metals classification, while AWS ERTi-7 belongs to the titanium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is AWS ERTi-7.

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
340

Thermal Properties

Latent Heat of Fusion, J/g 69
420
Melting Completion (Liquidus), °C 300
1670
Melting Onset (Solidus), °C 240
1620
Specific Heat Capacity, J/kg-K 220
540
Thermal Expansion, µm/m-K 21
8.7

Otherwise Unclassified Properties

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

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
21
Strength to Weight: Bending, points 4.3 to 5.1
24
Thermal Shock Resistance, points 3.4 to 4.4
26

Alloy Composition

Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 1.5 to 3.0
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.015
0 to 0.12
Lead (Pb), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Tin (Sn), % 90 to 93
0
Titanium (Ti), % 0
99.417 to 99.8
Zinc (Zn), % 0 to 0.0050
0