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SAE-AISI P21 Steel vs. CC494K Bronze

SAE-AISI P21 steel belongs to the iron alloys classification, while CC494K 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 CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 1130
210

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Melting Completion (Liquidus), °C 1450
970
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 41
63
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
16
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
16

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
31
Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 2.3
3.1
Embodied Energy, MJ/kg 32
50
Embodied Water, L/kg 62
360

Common Calculations

Stiffness to Weight: Axial, points 13
6.4
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 40
6.5
Strength to Weight: Bending, points 31
8.8
Thermal Diffusivity, mm2/s 11
19
Thermal Shock Resistance, points 37
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
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
78 to 87
Iron (Fe), % 92.1 to 94.2
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0.35 to 0.72
0 to 0.2
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
4.0 to 6.0
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 2.0