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C94700 Bronze vs. ACI-ASTM CH20 Steel

C94700 bronze belongs to the copper alloys classification, while ACI-ASTM CH20 steel belongs to the iron alloys. There are 28 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 C94700 bronze and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 7.9 to 32
38
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 350 to 590
610
Tensile Strength: Yield (Proof), MPa 160 to 400
350

Thermal Properties

Latent Heat of Fusion, J/g 200
310
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 1030
1410
Melting Onset (Solidus), °C 900
1430
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 54
14
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
20
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
3.7
Embodied Energy, MJ/kg 56
53
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
200
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
300
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11 to 19
22
Strength to Weight: Bending, points 13 to 18
21
Thermal Diffusivity, mm2/s 16
3.7
Thermal Shock Resistance, points 12 to 21
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.15
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 26
Copper (Cu), % 85 to 90
0
Iron (Fe), % 0 to 0.25
54.7 to 66
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.2
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.5 to 6.0
12 to 15
Phosphorus (P), % 0 to 0.050
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), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0
Residuals, % 0 to 1.3
0