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ACI-ASTM CG8M Steel vs. C91100 Bronze

ACI-ASTM CG8M steel belongs to the iron alloys classification, while C91100 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG8M steel and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 45
2.0
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
39
Tensile Strength: Ultimate (UTS), MPa 550
240
Tensile Strength: Yield (Proof), MPa 300
170

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 1020
160
Melting Completion (Liquidus), °C 1450
950
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 16
63
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
38
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 4.1
4.2
Embodied Energy, MJ/kg 56
69
Embodied Water, L/kg 160
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
7.7
Strength to Weight: Bending, points 19
9.9
Thermal Diffusivity, mm2/s 4.3
20
Thermal Shock Resistance, points 12
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
82 to 85
Iron (Fe), % 58.8 to 70
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 9.0 to 13
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 1.0
Silicon (Si), % 0 to 1.5
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
15 to 17
Zinc (Zn), % 0
0 to 0.25