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C61500 Bronze vs. SAE-AISI P21 Steel

C61500 bronze belongs to the copper alloys classification, while SAE-AISI P21 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C61500 bronze and the bottom bar is SAE-AISI P21 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 42
73
Tensile Strength: Ultimate (UTS), MPa 480 to 970
1130

Thermal Properties

Latent Heat of Fusion, J/g 220
250
Melting Completion (Liquidus), °C 1040
1450
Melting Onset (Solidus), °C 1030
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 58
41
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 13
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
6.5
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 3.2
2.3
Embodied Energy, MJ/kg 52
32
Embodied Water, L/kg 380
62

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16 to 32
40
Strength to Weight: Bending, points 16 to 26
31
Thermal Diffusivity, mm2/s 16
11
Thermal Shock Resistance, points 17 to 34
37

Alloy Composition

Aluminum (Al), % 7.7 to 8.3
0
Carbon (C), % 0
0.18 to 0.22
Chromium (Cr), % 0
0 to 0.5
Cobalt (Co), % 0
1.1 to 1.3
Copper (Cu), % 89 to 90.5
0 to 0.25
Iron (Fe), % 0
92.1 to 94.2
Lead (Pb), % 0 to 0.015
0
Manganese (Mn), % 0
0.35 to 0.72
Nickel (Ni), % 1.8 to 2.2
3.9 to 4.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25
Residuals, % 0 to 0.5
0