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SAE-AISI P21 Steel vs. CC484K Bronze

SAE-AISI P21 steel belongs to the iron alloys classification, while CC484K 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 CC484K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 1130
330

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1410
870
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 41
70
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
37
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.3
3.9
Embodied Energy, MJ/kg 32
64
Embodied Water, L/kg 62
400

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 40
10
Strength to Weight: Bending, points 31
12
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 37
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.1
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
84.5 to 87.5
Iron (Fe), % 92.1 to 94.2
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.35 to 0.72
0 to 0.2
Nickel (Ni), % 3.9 to 4.3
1.5 to 2.5
Phosphorus (P), % 0 to 0.030
0.050 to 0.4
Silicon (Si), % 0.2 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
11 to 13
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.4