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ACI-ASTM CN7M Steel vs. CC333G Bronze

ACI-ASTM CN7M steel belongs to the iron alloys classification, while CC333G 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 CN7M steel and the bottom bar is CC333G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 44
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 480
710
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Maximum Temperature: Mechanical, °C 1100
230
Melting Completion (Liquidus), °C 1410
1080
Melting Onset (Solidus), °C 1450
1020
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 21
38
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 32
29
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 5.6
3.5
Embodied Energy, MJ/kg 78
56
Embodied Water, L/kg 210
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
75
Resilience: Unit (Modulus of Resilience), kJ/m3 110
410
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 5.6
10
Thermal Shock Resistance, points 12
24

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Bismuth (Bi), % 0
0 to 0.010
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 22
0 to 0.050
Copper (Cu), % 3.0 to 4.0
76 to 83
Iron (Fe), % 37.4 to 48.5
3.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 3.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
3.7 to 6.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.5