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Type 2 Pewter vs. AWS E318

Type 2 pewter belongs to the otherwise unclassified metals classification, while AWS E318 belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is AWS E318.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
200
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
78
Tensile Strength: Ultimate (UTS), MPa 52 to 68
620

Thermal Properties

Latent Heat of Fusion, J/g 69
290
Melting Completion (Liquidus), °C 300
1440
Melting Onset (Solidus), °C 240
1400
Specific Heat Capacity, J/kg-K 220
470
Thermal Expansion, µm/m-K 21
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
23
Density, g/cm3 7.3
7.9
Embodied Carbon, kg CO2/kg material 12
4.4
Embodied Energy, MJ/kg 210
62
Embodied Water, L/kg 1220
160

Common Calculations

Stiffness to Weight: Axial, points 3.9
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.0 to 2.6
22
Strength to Weight: Bending, points 4.3 to 5.1
20
Thermal Shock Resistance, points 3.4 to 4.4
16

Alloy Composition

Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 1.5 to 3.0
0 to 0.75
Iron (Fe), % 0 to 0.015
57.6 to 69.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
11 to 14
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 90 to 93
0
Zinc (Zn), % 0 to 0.0050
0