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SAE-AISI P21 Steel vs. CC493K Bronze

SAE-AISI P21 steel belongs to the iron alloys classification, while CC493K bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P21 steel and the bottom bar is CC493K bronze.

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
39
Tensile Strength: Ultimate (UTS), MPa 1130
270

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Melting Completion (Liquidus), °C 1450
960
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 41
61
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
12
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
32
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.3
3.3
Embodied Energy, MJ/kg 32
53
Embodied Water, L/kg 62
370

Common Calculations

Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 40
8.6
Strength to Weight: Bending, points 31
11
Thermal Diffusivity, mm2/s 11
19
Thermal Shock Resistance, points 37
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
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
79 to 86
Iron (Fe), % 92.1 to 94.2
0 to 0.2
Lead (Pb), % 0
5.0 to 8.0
Manganese (Mn), % 0.35 to 0.72
0
Nickel (Ni), % 3.9 to 4.3
0 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.1
Silicon (Si), % 0.2 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
2.0 to 5.0