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C90400 Bronze vs. ACI-ASTM CB30 Steel

C90400 bronze belongs to the copper alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 27 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 C90400 bronze and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
210
Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 310
500
Tensile Strength: Yield (Proof), MPa 180
230

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 990
1430
Melting Onset (Solidus), °C 850
1380
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 75
21
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 3.5
2.3
Embodied Energy, MJ/kg 56
33
Embodied Water, L/kg 370
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10
18
Strength to Weight: Bending, points 12
18
Thermal Diffusivity, mm2/s 23
5.6
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 86 to 89
0 to 1.2
Iron (Fe), % 0 to 0.4
72.9 to 82
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0 to 1.0
Nickel (Ni), % 0 to 1.0
0 to 2.0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.5
Sulfur (S), % 0.1 to 0.65
0 to 0.040
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 1.0 to 5.0
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0