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C61300 Bronze vs. ACI-ASTM CB7Cu-2 Steel

C61300 bronze belongs to the copper alloys classification, while ACI-ASTM CB7Cu-2 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C61300 bronze and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 34 to 40
5.7 to 11
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 550 to 580
960 to 1350
Tensile Strength: Yield (Proof), MPa 230 to 310
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Melting Completion (Liquidus), °C 1050
1430
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 55
17
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 13
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
13
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 49
38
Embodied Water, L/kg 370
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
1510 to 3600
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 18 to 19
34 to 48
Strength to Weight: Bending, points 18
28 to 35
Thermal Diffusivity, mm2/s 15
4.6
Thermal Shock Resistance, points 19 to 20
32 to 45

Alloy Composition

Aluminum (Al), % 6.0 to 7.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 88 to 91.8
2.5 to 3.2
Iron (Fe), % 2.0 to 3.0
73.6 to 79
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.2
0 to 0.7
Nickel (Ni), % 0 to 0.15
4.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.2 to 0.5
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.2
0