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C61800 Bronze vs. ASTM A356 Grade 8

C61800 bronze belongs to the copper alloys classification, while ASTM A356 grade 8 belongs to the iron alloys. There are 29 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 C61800 bronze and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 26
21
Fatigue Strength, MPa 190
270
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
73
Tensile Strength: Ultimate (UTS), MPa 740
630
Tensile Strength: Yield (Proof), MPa 310
390

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 220
440
Melting Completion (Liquidus), °C 1050
1470
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 64
38
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
3.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 52
26
Embodied Water, L/kg 390
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
390
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 18
10
Thermal Shock Resistance, points 26
18

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
1.0 to 1.5
Copper (Cu), % 86.9 to 91
0
Iron (Fe), % 0.5 to 1.5
95.4 to 97.4
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.1
0.2 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.020
0
Residuals, % 0 to 0.5
0