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C51100 Bronze vs. Automotive Malleable Cast Iron

C51100 bronze belongs to the copper alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C51100 bronze and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 2.5 to 50
1.0 to 10
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 42
70
Tensile Strength: Ultimate (UTS), MPa 330 to 720
350 to 720
Tensile Strength: Yield (Proof), MPa 93 to 700
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Melting Completion (Liquidus), °C 1060
1410
Melting Onset (Solidus), °C 970
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 84
41
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 32
1.9
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 48
20
Embodied Water, L/kg 340
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 140
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 38 to 2170
130 to 950
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10 to 22
13 to 26
Strength to Weight: Bending, points 12 to 20
14 to 24
Thermal Diffusivity, mm2/s 25
11
Thermal Shock Resistance, points 12 to 26
9.9 to 21

Alloy Composition

Carbon (C), % 0
2.2 to 2.9
Copper (Cu), % 93.8 to 96.5
0
Iron (Fe), % 0 to 0.1
93.6 to 96.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.15 to 1.3
Phosphorus (P), % 0.030 to 0.35
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Sulfur (S), % 0
0.020 to 0.2
Tin (Sn), % 3.5 to 4.9
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.5
0