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ACI-ASTM CH20 Steel vs. CC481K Bronze

ACI-ASTM CH20 steel belongs to the iron alloys classification, while CC481K bronze belongs to the copper 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 ACI-ASTM CH20 steel and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 38
4.5
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 610
350
Tensile Strength: Yield (Proof), MPa 350
180

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1410
1000
Melting Onset (Solidus), °C 1430
880
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 14
64
Thermal Expansion, µm/m-K 15
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
35
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.7
3.7
Embodied Energy, MJ/kg 53
60
Embodied Water, L/kg 180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
13
Resilience: Unit (Modulus of Resilience), kJ/m3 300
150
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
11
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 3.7
20
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
87 to 89.5
Iron (Fe), % 54.7 to 66
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.5
0 to 0.050
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 1.0
Silicon (Si), % 0 to 2.0
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Zinc (Zn), % 0
0 to 0.5