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CC491K Bronze vs. ACI-ASTM CK3MCuN Steel

CC491K bronze belongs to the copper alloys classification, while ACI-ASTM CK3MCuN steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
180
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 13
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 260
620
Tensile Strength: Yield (Proof), MPa 120
290

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
1090
Melting Completion (Liquidus), °C 980
1460
Melting Onset (Solidus), °C 900
1350
Specific Heat Capacity, J/kg-K 370
460
Thermal Conductivity, W/m-K 71
12
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.6
Embodied Energy, MJ/kg 51
76
Embodied Water, L/kg 350
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
200
Resilience: Unit (Modulus of Resilience), kJ/m3 67
210
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.1
21
Strength to Weight: Bending, points 10
20
Thermal Diffusivity, mm2/s 22
3.2
Thermal Shock Resistance, points 9.3
14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 81 to 87
0.5 to 1.0
Iron (Fe), % 0 to 0.3
49.5 to 56.3
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 2.0
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.1
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0 to 0.1
0 to 0.010
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0