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Type 2 Pewter vs. S20431 Stainless Steel

Type 2 pewter belongs to the otherwise unclassified metals classification, while S20431 stainless steel belongs to the iron alloys. There are 20 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 S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13 to 23
210
Elastic (Young's, Tensile) Modulus, GPa 52
200
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 52 to 68
710

Thermal Properties

Latent Heat of Fusion, J/g 69
280
Melting Completion (Liquidus), °C 300
1400
Melting Onset (Solidus), °C 240
1360
Specific Heat Capacity, J/kg-K 220
480
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
12
Density, g/cm3 7.3
7.7
Embodied Carbon, kg CO2/kg material 12
2.5
Embodied Energy, MJ/kg 210
36
Embodied Water, L/kg 1220
140

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
25
Strength to Weight: Bending, points 4.3 to 5.1
23
Thermal Shock Resistance, points 3.4 to 4.4
15

Alloy Composition

Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 1.5 to 3.0
1.5 to 3.5
Iron (Fe), % 0 to 0.015
66.1 to 74.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
5.0 to 7.0
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
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