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C86700 Bronze vs. SAE-AISI A7 Steel

C86700 bronze belongs to the copper alloys classification, while SAE-AISI A7 steel belongs to the iron alloys. There are 21 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 C86700 bronze and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
72
Tensile Strength: Ultimate (UTS), MPa 630
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Melting Completion (Liquidus), °C 880
1470
Melting Onset (Solidus), °C 860
1430
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 89
37
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
13
Embodied Energy, MJ/kg 49
200
Embodied Water, L/kg 340
100

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 22
29 to 77
Strength to Weight: Bending, points 21
25 to 48
Thermal Diffusivity, mm2/s 28
10
Thermal Shock Resistance, points 21
27 to 72

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Carbon (C), % 0
2.0 to 2.9
Chromium (Cr), % 0
5.0 to 5.8
Copper (Cu), % 55 to 60
0 to 0.25
Iron (Fe), % 1.0 to 3.0
81.4 to 87.7
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 1.0 to 3.5
0 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 1.5
0
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2
Zinc (Zn), % 30 to 38
0
Residuals, % 0 to 1.0
0