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ACI-ASTM CK3MCuN Steel vs. CC491K Bronze

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while CC491K bronze belongs to the copper 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 ACI-ASTM CK3MCuN steel and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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