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ACI-ASTM CN7M Steel vs. CC330G Bronze

ACI-ASTM CN7M steel belongs to the iron alloys classification, while CC330G 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 CC330G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
110
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 44
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
42
Tensile Strength: Ultimate (UTS), MPa 480
530
Tensile Strength: Yield (Proof), MPa 200
190

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1410
1050
Melting Onset (Solidus), °C 1450
1000
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 21
62
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
14
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
29
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 5.6
3.2
Embodied Energy, MJ/kg 78
52
Embodied Water, L/kg 210
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
82
Resilience: Unit (Modulus of Resilience), kJ/m3 110
170
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 5.6
17
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
8.0 to 10.5
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 3.0 to 4.0
87 to 92
Iron (Fe), % 37.4 to 48.5
0 to 1.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
0 to 1.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
0 to 0.5