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Type 2 Pewter vs. R30556 Alloy

Type 2 pewter belongs to the otherwise unclassified metals classification, while R30556 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
210
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 52 to 68
780

Thermal Properties

Latent Heat of Fusion, J/g 69
300
Melting Completion (Liquidus), °C 300
1420
Melting Onset (Solidus), °C 240
1330
Specific Heat Capacity, J/kg-K 220
450
Thermal Expansion, µm/m-K 21
15

Otherwise Unclassified Properties

Base Metal Price, % relative 75
70
Density, g/cm3 7.3
8.4
Embodied Carbon, kg CO2/kg material 12
8.7
Embodied Energy, MJ/kg 210
130
Embodied Water, L/kg 1220
300

Common Calculations

Stiffness to Weight: Axial, points 3.9
14
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.0 to 2.6
26
Strength to Weight: Bending, points 4.3 to 5.1
22
Thermal Shock Resistance, points 3.4 to 4.4
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Boron (B), % 0
0 to 0.020
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 0 to 0.015
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 90 to 93
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.0050
0.0010 to 0.1