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SAE-AISI 4720 Steel vs. Type 2 Pewter

SAE-AISI 4720 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 (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4720 steel and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
13 to 23
Elastic (Young's, Tensile) Modulus, GPa 190
52
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
19
Tensile Strength: Ultimate (UTS), MPa 490
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 250
69
Melting Completion (Liquidus), °C 1460
300
Melting Onset (Solidus), °C 1420
240
Specific Heat Capacity, J/kg-K 470
220
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
75
Density, g/cm3 7.9
7.3
Embodied Carbon, kg CO2/kg material 1.6
12
Embodied Energy, MJ/kg 21
210
Embodied Water, L/kg 50
1220

Common Calculations

Stiffness to Weight: Axial, points 13
3.9
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 17
2.0 to 2.6
Strength to Weight: Bending, points 18
4.3 to 5.1
Thermal Shock Resistance, points 14
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0.17 to 0.22
0
Chromium (Cr), % 0.35 to 0.55
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 96.7 to 97.8
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 0.7
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
90 to 93
Zinc (Zn), % 0
0 to 0.0050