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Type 2 Pewter vs. AWS E320

Type 2 pewter belongs to the otherwise unclassified metals classification, while AWS E320 belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is AWS E320.

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
77
Tensile Strength: Ultimate (UTS), MPa 52 to 68
620

Thermal Properties

Latent Heat of Fusion, J/g 69
300
Melting Completion (Liquidus), °C 300
1410
Melting Onset (Solidus), °C 240
1360
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 21
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
38
Density, g/cm3 7.3
8.2
Embodied Carbon, kg CO2/kg material 12
6.5
Embodied Energy, MJ/kg 210
91
Embodied Water, L/kg 1220
220

Common Calculations

Stiffness to Weight: Axial, points 3.9
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.0 to 2.6
21
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 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 1.5 to 3.0
3.0 to 4.0
Iron (Fe), % 0 to 0.015
31.8 to 43.5
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
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 90 to 93
0
Zinc (Zn), % 0 to 0.0050
0