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C95800 Bronze vs. ACI-ASTM CH20 Steel

C95800 bronze belongs to the copper alloys classification, while ACI-ASTM CH20 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C95800 bronze and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 22
38
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 44
78
Tensile Strength: Ultimate (UTS), MPa 660
610
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 230
310
Maximum Temperature: Mechanical, °C 230
1100
Melting Completion (Liquidus), °C 1060
1410
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 36
14
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
20
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.7
Embodied Energy, MJ/kg 55
53
Embodied Water, L/kg 370
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 310
300
Stiffness to Weight: Axial, points 7.9
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 9.9
3.7
Thermal Shock Resistance, points 23
15

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 26
Copper (Cu), % 79 to 83.2
0
Iron (Fe), % 3.5 to 4.5
54.7 to 66
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.8 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.0 to 5.0
12 to 15
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.5
0