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Type 2 Pewter vs. ACI-ASTM CN7M Steel

Type 2 pewter belongs to the otherwise unclassified metals classification, while ACI-ASTM CN7M steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13 to 23
140
Elastic (Young's, Tensile) Modulus, GPa 52
200
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 52 to 68
480

Thermal Properties

Latent Heat of Fusion, J/g 69
310
Melting Completion (Liquidus), °C 300
1410
Melting Onset (Solidus), °C 240
1450
Specific Heat Capacity, J/kg-K 220
470
Thermal Expansion, µm/m-K 21
15

Otherwise Unclassified Properties

Base Metal Price, % relative 75
32
Density, g/cm3 7.3
8.1
Embodied Carbon, kg CO2/kg material 12
5.6
Embodied Energy, MJ/kg 210
78
Embodied Water, L/kg 1220
210

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
17
Strength to Weight: Bending, points 4.3 to 5.1
17
Thermal Shock Resistance, points 3.4 to 4.4
12

Alloy Composition

Antimony (Sb), % 5.0 to 7.5
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 1.5 to 3.0
3.0 to 4.0
Iron (Fe), % 0 to 0.015
37.4 to 48.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 90 to 93
0
Zinc (Zn), % 0 to 0.0050
0