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ACI-ASTM CN3MN Steel vs. C95700 Bronze

ACI-ASTM CN3MN steel belongs to the iron alloys classification, while C95700 bronze belongs to the copper 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 ACI-ASTM CN3MN steel and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
130
Elongation at Break, % 39
23
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
47
Tensile Strength: Ultimate (UTS), MPa 620
680
Tensile Strength: Yield (Proof), MPa 300
310

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1460
990
Melting Onset (Solidus), °C 1410
950
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
26
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 6.2
3.3
Embodied Energy, MJ/kg 84
54
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
390
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.4
3.3
Thermal Shock Resistance, points 14
21

Alloy Composition


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Aluminum (Al), % 0
7.0 to 8.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
71 to 78.5
Iron (Fe), % 41.4 to 50.3
2.0 to 4.0
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 2.0
11 to 14
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
1.5 to 3.0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.5