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Type 2 Pewter vs. S31254 Stainless Steel

Type 2 pewter belongs to the otherwise unclassified metals classification, while S31254 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13 to 23
190
Elastic (Young's, Tensile) Modulus, GPa 52
200
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 52 to 68
720

Thermal Properties

Latent Heat of Fusion, J/g 69
300
Melting Completion (Liquidus), °C 300
1460
Melting Onset (Solidus), °C 240
1420
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
28
Density, g/cm3 7.3
8.0
Embodied Carbon, kg CO2/kg material 12
5.5
Embodied Energy, MJ/kg 210
74
Embodied Water, L/kg 1220
190

Common Calculations

Stiffness to Weight: Axial, points 3.9
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.0 to 2.6
25
Strength to Weight: Bending, points 4.3 to 5.1
22
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 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 1.5 to 3.0
0.5 to 1.0
Iron (Fe), % 0 to 0.015
51.4 to 56.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 90 to 93
0
Zinc (Zn), % 0 to 0.0050
0