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ACI-ASTM CF3M Steel vs. C94700 Bronze

ACI-ASTM CF3M steel belongs to the iron alloys classification, while C94700 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3M steel and the bottom bar is C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 55
7.9 to 32
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 520
350 to 590
Tensile Strength: Yield (Proof), MPa 260
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 990
190
Melting Completion (Liquidus), °C 1440
1030
Melting Onset (Solidus), °C 1430
900
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 16
54
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
34
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.8
3.5
Embodied Energy, MJ/kg 53
56
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 170
110 to 700
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
11 to 19
Strength to Weight: Bending, points 18
13 to 18
Thermal Diffusivity, mm2/s 4.3
16
Thermal Shock Resistance, points 12
12 to 21

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0
85 to 90
Iron (Fe), % 59.9 to 72
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.2
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
4.5 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.5
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 0
1.0 to 2.5
Residuals, % 0
0 to 1.3