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C94700 Bronze vs. SAE-AISI P20 Steel

C94700 bronze belongs to the copper alloys classification, while SAE-AISI P20 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C94700 bronze and the bottom bar is SAE-AISI P20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 350 to 590
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Melting Completion (Liquidus), °C 1030
1460
Melting Onset (Solidus), °C 900
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 54
45
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.8
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.6
Embodied Energy, MJ/kg 56
21
Embodied Water, L/kg 350
52

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11 to 19
19 to 37
Strength to Weight: Bending, points 13 to 18
19 to 29
Thermal Diffusivity, mm2/s 16
12
Thermal Shock Resistance, points 12 to 21
18 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.15
0
Carbon (C), % 0
0.28 to 0.4
Chromium (Cr), % 0
0.4 to 2.0
Copper (Cu), % 85 to 90
0 to 0.25
Iron (Fe), % 0 to 0.25
95.2 to 98.5
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.2
0.35 to 0.71
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 4.5 to 6.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 0.0050
0.2 to 0.8
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0
Residuals, % 0 to 1.3
0