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CC491K Bronze vs. ACI-ASTM CD4MCu Steel

CC491K bronze belongs to the copper alloys classification, while ACI-ASTM CD4MCu steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is ACI-ASTM CD4MCu steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 13
18
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 260
770
Tensile Strength: Yield (Proof), MPa 120
550

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 980
1430
Melting Onset (Solidus), °C 900
1380
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 71
17
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.5
Embodied Energy, MJ/kg 51
49
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
130
Resilience: Unit (Modulus of Resilience), kJ/m3 67
760
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.1
28
Strength to Weight: Bending, points 10
24
Thermal Diffusivity, mm2/s 22
4.5
Thermal Shock Resistance, points 9.3
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 81 to 87
2.8 to 3.3
Iron (Fe), % 0 to 0.3
59.9 to 66.3
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0 to 2.0
4.8 to 6.0
Phosphorus (P), % 0 to 0.1
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0 to 0.1
0 to 0.040
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0