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ACI-ASTM CF8M Steel vs. C90200 Bronze

ACI-ASTM CF8M steel belongs to the iron alloys classification, while C90200 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 CF8M steel and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
70
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 50
30
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 540
260
Tensile Strength: Yield (Proof), MPa 290
110

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1000
180
Melting Completion (Liquidus), °C 1440
1050
Melting Onset (Solidus), °C 1400
880
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 16
62
Thermal Expansion, µm/m-K 16
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
34
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.8
3.3
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 160
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
63
Resilience: Unit (Modulus of Resilience), kJ/m3 210
55
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
8.3
Strength to Weight: Bending, points 19
10
Thermal Diffusivity, mm2/s 4.3
19
Thermal Shock Resistance, points 12
9.5

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
91 to 94
Iron (Fe), % 60.3 to 71
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 12
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
6.0 to 8.0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.6