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ACI-ASTM CH20 Steel vs. C90900 Bronze

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C90900 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 C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 38
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 610
280
Tensile Strength: Yield (Proof), MPa 350
140

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1410
980
Melting Onset (Solidus), °C 1430
820
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 14
65
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
36
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.7
3.9
Embodied Energy, MJ/kg 53
64
Embodied Water, L/kg 180
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
35
Resilience: Unit (Modulus of Resilience), kJ/m3 300
89
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
8.8
Strength to Weight: Bending, points 21
11
Thermal Diffusivity, mm2/s 3.7
21
Thermal Shock Resistance, points 15
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 54.7 to 66
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 2.0
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6