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Type 2 Pewter vs. S21800 Stainless Steel

Type 2 pewter belongs to the otherwise unclassified metals classification, while S21800 stainless steel belongs to the iron alloys. There are 20 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 Type 2 pewter and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13 to 23
210
Elastic (Young's, Tensile) Modulus, GPa 52
190
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 52 to 68
740

Thermal Properties

Latent Heat of Fusion, J/g 69
340
Melting Completion (Liquidus), °C 300
1360
Melting Onset (Solidus), °C 240
1310
Specific Heat Capacity, J/kg-K 220
500
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 7.3
7.5
Embodied Carbon, kg CO2/kg material 12
3.1
Embodied Energy, MJ/kg 210
45
Embodied Water, L/kg 1220
150

Common Calculations

Stiffness to Weight: Axial, points 3.9
14
Stiffness to Weight: Bending, points 17
26
Strength to Weight: Axial, points 2.0 to 2.6
27
Strength to Weight: Bending, points 4.3 to 5.1
24
Thermal Shock Resistance, points 3.4 to 4.4
17

Alloy Composition

Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 0 to 0.015
59.1 to 65.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 90 to 93
0
Zinc (Zn), % 0 to 0.0050
0