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C61800 Bronze vs. SAE-AISI A4 Steel

C61800 bronze belongs to the copper alloys classification, while SAE-AISI A4 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is SAE-AISI A4 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 44
73
Tensile Strength: Ultimate (UTS), MPa 740
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 230
250
Melting Completion (Liquidus), °C 1050
1450
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 64
40
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
3.9
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 52
24
Embodied Water, L/kg 390
59

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 25
25 to 73
Strength to Weight: Bending, points 22
23 to 46
Thermal Diffusivity, mm2/s 18
11
Thermal Shock Resistance, points 26
23 to 67

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
0.9 to 2.2
Copper (Cu), % 86.9 to 91
0 to 0.25
Iron (Fe), % 0.5 to 1.5
92 to 95.5
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.020
0
Residuals, % 0 to 0.5
0