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ACI-ASTM CN7M Steel vs. CC480K Bronze

ACI-ASTM CN7M steel belongs to the iron alloys classification, while CC480K 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 CC480K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
88
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 44
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 480
300
Tensile Strength: Yield (Proof), MPa 200
180

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1410
1010
Melting Onset (Solidus), °C 1450
900
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 21
63
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
35
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 5.6
3.7
Embodied Energy, MJ/kg 78
59
Embodied Water, L/kg 210
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
35
Resilience: Unit (Modulus of Resilience), kJ/m3 110
140
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
9.6
Strength to Weight: Bending, points 17
11
Thermal Diffusivity, mm2/s 5.6
20
Thermal Shock Resistance, points 12
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 3.0 to 4.0
86 to 90
Iron (Fe), % 37.4 to 48.5
0 to 0.2
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 1.5
0 to 0.1
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 0 to 1.5
0 to 0.020
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
0 to 0.5