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C95800 Bronze vs. ACI-ASTM CN7M Steel

C95800 bronze belongs to the copper alloys classification, while ACI-ASTM CN7M 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 CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 22
44
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 660
480
Tensile Strength: Yield (Proof), MPa 270
200

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
1450
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 36
21
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.4
5.6
Embodied Energy, MJ/kg 55
78
Embodied Water, L/kg 370
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 310
110
Stiffness to Weight: Axial, points 7.9
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 9.9
5.6
Thermal Shock Resistance, points 23
12

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 79 to 83.2
3.0 to 4.0
Iron (Fe), % 3.5 to 4.5
37.4 to 48.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.8 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 4.0 to 5.0
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.5
0