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C87200 Bronze vs. ACI-ASTM CH20 Steel

C87200 bronze belongs to the copper alloys classification, while ACI-ASTM CH20 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 C87200 bronze and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
190
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 30
38
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 380
610
Tensile Strength: Yield (Proof), MPa 170
350

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 970
1410
Melting Onset (Solidus), °C 860
1430
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
14
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
20
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
200
Resilience: Unit (Modulus of Resilience), kJ/m3 130
300
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 14
21
Thermal Diffusivity, mm2/s 8.0
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 26
Copper (Cu), % 89 to 99
0
Iron (Fe), % 0 to 2.5
54.7 to 66
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
12 to 15
Phosphorus (P), % 0 to 0.5
0 to 0.040
Silicon (Si), % 1.0 to 5.0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0