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ACI-ASTM CK3MCuN Steel vs. CC331G Bronze

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while CC331G 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 CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 620
620
Tensile Strength: Yield (Proof), MPa 290
240

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1090
220
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1350
1000
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 12
61
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
14

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 5.6
3.2
Embodied Energy, MJ/kg 76
53
Embodied Water, L/kg 190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
97
Resilience: Unit (Modulus of Resilience), kJ/m3 210
250
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.2
17
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
83 to 86.5
Iron (Fe), % 49.5 to 56.3
1.5 to 3.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.2
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0 to 1.5
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5