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SAE-AISI A4 Steel vs. C91300 Bell Metal

SAE-AISI A4 steel belongs to the iron alloys classification, while C91300 bell metal belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A4 steel and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
38
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
240

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Melting Completion (Liquidus), °C 1450
890
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
360
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
39
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.8
4.5
Embodied Energy, MJ/kg 24
74
Embodied Water, L/kg 59
460

Common Calculations

Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25 to 73
7.8
Strength to Weight: Bending, points 23 to 46
10
Thermal Shock Resistance, points 23 to 67
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
79 to 82
Iron (Fe), % 92 to 95.5
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
18 to 20
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6