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ACI-ASTM CH20 Steel vs. C51000 Bronze

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C51000 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 38
2.7 to 64
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
42
Tensile Strength: Ultimate (UTS), MPa 610
330 to 780
Tensile Strength: Yield (Proof), MPa 350
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 310
200
Maximum Temperature: Mechanical, °C 1100
190
Melting Completion (Liquidus), °C 1410
1050
Melting Onset (Solidus), °C 1430
960
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 14
77
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
18

Otherwise Unclassified Properties

Base Metal Price, % relative 20
33
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 53
50
Embodied Water, L/kg 180
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 300
75 to 2490
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
10 to 25
Strength to Weight: Bending, points 21
12 to 21
Thermal Diffusivity, mm2/s 3.7
23
Thermal Shock Resistance, points 15
12 to 28

Alloy Composition


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Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
92.9 to 95.5
Iron (Fe), % 54.7 to 66
0 to 0.1
Lead (Pb), % 0
0 to 0.050
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
0.030 to 0.35
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
4.5 to 5.8
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5