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CC491K Bronze vs. ACI-ASTM CN7M Steel

CC491K bronze belongs to the copper alloys classification, while ACI-ASTM CN7M 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 CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
140
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 13
44
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 260
480
Tensile Strength: Yield (Proof), MPa 120
200

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 980
1410
Melting Onset (Solidus), °C 900
1450
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 71
21
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 15
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.1
5.6
Embodied Energy, MJ/kg 51
78
Embodied Water, L/kg 350
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
170
Resilience: Unit (Modulus of Resilience), kJ/m3 67
110
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.1
17
Strength to Weight: Bending, points 10
17
Thermal Diffusivity, mm2/s 22
5.6
Thermal Shock Resistance, points 9.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 81 to 87
3.0 to 4.0
Iron (Fe), % 0 to 0.3
37.4 to 48.5
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 2.0
27.5 to 30.5
Phosphorus (P), % 0 to 0.1
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.5
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