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C90700 Bronze vs. ACI-ASTM CF8 Steel

C90700 bronze belongs to the copper alloys classification, while ACI-ASTM CF8 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 C90700 bronze and the bottom bar is ACI-ASTM CF8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
140
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
55
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 330
540
Tensile Strength: Yield (Proof), MPa 180
260

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 1000
1420
Melting Onset (Solidus), °C 830
1430
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 71
16
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
16
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 60
44
Embodied Water, L/kg 390
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
240
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10
19
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 22
4.3
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 88 to 90
0
Iron (Fe), % 0 to 0.15
63.8 to 74
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
8.0 to 11
Phosphorus (P), % 0 to 1.5
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.040
Tin (Sn), % 10 to 12
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.6
0