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SAE-AISI P21 Steel vs. C94100 Bronze

SAE-AISI P21 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 P21 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 73
34
Tensile Strength: Ultimate (UTS), MPa 1130
190

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Melting Completion (Liquidus), °C 1450
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 9.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
29
Density, g/cm3 7.9
9.2
Embodied Carbon, kg CO2/kg material 2.3
3.0
Embodied Energy, MJ/kg 32
48
Embodied Water, L/kg 62
370

Common Calculations

Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 40
5.8
Strength to Weight: Bending, points 31
8.1
Thermal Shock Resistance, points 37
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.18 to 0.22
0
Chromium (Cr), % 0 to 0.5
0
Cobalt (Co), % 1.1 to 1.3
0
Copper (Cu), % 0 to 0.25
72 to 79
Iron (Fe), % 92.1 to 94.2
0 to 0.25
Lead (Pb), % 0
18 to 22
Manganese (Mn), % 0.35 to 0.72
0
Nickel (Ni), % 3.9 to 4.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0.2 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
4.5 to 6.5
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 1.3