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ACI-ASTM CK3MCuN Steel vs. CC334G Bronze

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while CC334G 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 CC334G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
5.6
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
45
Tensile Strength: Ultimate (UTS), MPa 620
810
Tensile Strength: Yield (Proof), MPa 290
410

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1090
240
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1350
1020
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 12
41
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 5.6
3.6
Embodied Energy, MJ/kg 76
59
Embodied Water, L/kg 190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
38
Resilience: Unit (Modulus of Resilience), kJ/m3 210
710
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
28

Alloy Composition

Aluminum (Al), % 0
10 to 12
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
72 to 84.5
Iron (Fe), % 49.5 to 56.3
3.0 to 7.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.2
0 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
4.0 to 7.5
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5