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Type 2 Pewter vs. S21904 Stainless Steel

Type 2 pewter belongs to the otherwise unclassified metals classification, while S21904 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13 to 23
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 52
200
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
78
Tensile Strength: Ultimate (UTS), MPa 52 to 68
700 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 69
290
Melting Completion (Liquidus), °C 300
1400
Melting Onset (Solidus), °C 240
1350
Specific Heat Capacity, J/kg-K 220
480
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 7.3
7.7
Embodied Carbon, kg CO2/kg material 12
3.0
Embodied Energy, MJ/kg 210
43
Embodied Water, L/kg 1220
160

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 to 36
Strength to Weight: Bending, points 4.3 to 5.1
23 to 29
Thermal Shock Resistance, points 3.4 to 4.4
15 to 21

Alloy Composition

Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 0 to 0.015
59.5 to 67.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
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

Comparable Variants