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AWS ERTi-1 vs. Type 2 Pewter

AWS ERTi-1 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 (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 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 41
19
Tensile Strength: Ultimate (UTS), MPa 240
52 to 68

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 37
75
Density, g/cm3 4.5
7.3
Embodied Carbon, kg CO2/kg material 31
12
Embodied Energy, MJ/kg 510
210
Embodied Water, L/kg 110
1220

Common Calculations

Stiffness to Weight: Axial, points 13
3.9
Stiffness to Weight: Bending, points 35
17
Strength to Weight: Axial, points 15
2.0 to 2.6
Strength to Weight: Bending, points 19
4.3 to 5.1
Thermal Shock Resistance, points 19
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 0.030
0
Copper (Cu), % 0
1.5 to 3.0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Tin (Sn), % 0
90 to 93
Titanium (Ti), % 99.773 to 99.97
0
Zinc (Zn), % 0
0 to 0.0050