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SAE-AISI P21 Steel vs. CC498K Bronze

SAE-AISI P21 steel belongs to the iron alloys classification, while CC498K 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 CC498K 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
260

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1410
920
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 41
73
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
32
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.3
3.2
Embodied Energy, MJ/kg 32
52
Embodied Water, L/kg 62
360

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 40
8.1
Strength to Weight: Bending, points 31
10
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 37
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
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
85 to 90
Iron (Fe), % 92.1 to 94.2
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
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 0.050
Silicon (Si), % 0.2 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
5.5 to 6.5
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
3.0 to 5.0