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SAE-AISI A9 Steel vs. C94100 Bronze

SAE-AISI A9 steel belongs to the iron alloys classification, while C94100 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
92
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 74
34
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
190

Thermal Properties

Latent Heat of Fusion, J/g 280
160
Melting Completion (Liquidus), °C 1460
870
Melting Onset (Solidus), °C 1410
790
Specific Heat Capacity, J/kg-K 470
330
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
29
Density, g/cm3 7.8
9.2
Embodied Carbon, kg CO2/kg material 4.7
3.0
Embodied Energy, MJ/kg 70
48
Embodied Water, L/kg 82
370

Common Calculations

Stiffness to Weight: Axial, points 14
5.5
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 28 to 73
5.8
Strength to Weight: Bending, points 24 to 46
8.1
Thermal Shock Resistance, points 25 to 66
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
72 to 79
Iron (Fe), % 87 to 90.5
0 to 0.25
Lead (Pb), % 0
18 to 22
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 1.0 to 1.2
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
4.5 to 6.5
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 1.3