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ACI-ASTM CH20 Steel vs. C94400 Bronze

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C94400 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 C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
55
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 38
18
Poisson's Ratio 0.27
0.35
Shear Modulus, GPa 78
37
Tensile Strength: Ultimate (UTS), MPa 610
220
Tensile Strength: Yield (Proof), MPa 350
110

Thermal Properties

Latent Heat of Fusion, J/g 310
180
Maximum Temperature: Mechanical, °C 1100
150
Melting Completion (Liquidus), °C 1410
940
Melting Onset (Solidus), °C 1430
790
Specific Heat Capacity, J/kg-K 480
350
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 15
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
32
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 53
54
Embodied Water, L/kg 180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
33
Resilience: Unit (Modulus of Resilience), kJ/m3 300
60
Stiffness to Weight: Axial, points 14
6.1
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 22
6.8
Strength to Weight: Bending, points 21
9.0
Thermal Diffusivity, mm2/s 3.7
17
Thermal Shock Resistance, points 15
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
76.1 to 84
Iron (Fe), % 54.7 to 66
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0 to 1.0
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 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8