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C67400 Bronze vs. ACI-ASTM CN3MN Steel

C67400 bronze belongs to the copper alloys classification, while ACI-ASTM CN3MN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C67400 bronze and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 22 to 28
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 480 to 610
620
Tensile Strength: Yield (Proof), MPa 250 to 370
300

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 890
1460
Melting Onset (Solidus), °C 870
1410
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 100
13
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 26
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 48
84
Embodied Water, L/kg 330
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 660
210
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17 to 22
21
Strength to Weight: Bending, points 17 to 20
20
Thermal Diffusivity, mm2/s 32
3.4
Thermal Shock Resistance, points 16 to 20
14

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 57 to 60
0 to 0.75
Iron (Fe), % 0 to 0.35
41.4 to 50.3
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 2.0 to 3.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.25
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 31.1 to 40
0
Residuals, % 0 to 0.5
0