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ACI-ASTM CH20 Steel vs. C61800 Bronze

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C61800 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 38
26
Fatigue Strength, MPa 290
190
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
44
Tensile Strength: Ultimate (UTS), MPa 610
740
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1410
1050
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 14
64
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 20
28
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 53
52
Embodied Water, L/kg 180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
150
Resilience: Unit (Modulus of Resilience), kJ/m3 300
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.7
18
Thermal Shock Resistance, points 15
26

Alloy Composition

Aluminum (Al), % 0
8.5 to 11
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
86.9 to 91
Iron (Fe), % 54.7 to 66
0.5 to 1.5
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.020
Residuals, % 0
0 to 0.5