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ACI-ASTM CF20 Steel vs. Type 2 Pewter

ACI-ASTM CF20 steel belongs to the iron alloys classification, while Type 2 pewter belongs to the otherwise unclassified metals. 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 ACI-ASTM CF20 steel and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
13 to 23
Elastic (Young's, Tensile) Modulus, GPa 200
52
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
19
Tensile Strength: Ultimate (UTS), MPa 530
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 300
69
Melting Completion (Liquidus), °C 1420
300
Melting Onset (Solidus), °C 1410
240
Specific Heat Capacity, J/kg-K 480
220
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Base Metal Price, % relative 16
75
Density, g/cm3 7.8
7.3
Embodied Carbon, kg CO2/kg material 3.1
12
Embodied Energy, MJ/kg 44
210
Embodied Water, L/kg 150
1220

Common Calculations

Stiffness to Weight: Axial, points 14
3.9
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 19
2.0 to 2.6
Strength to Weight: Bending, points 19
4.3 to 5.1
Thermal Shock Resistance, points 11
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 64.2 to 74
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
90 to 93
Zinc (Zn), % 0
0 to 0.0050