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ACI-ASTM CN7MS Steel vs. C14510 Copper

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while C14510 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is C14510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
9.1 to 9.6
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 540
300 to 320
Tensile Strength: Yield (Proof), MPa 230
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 340
210
Maximum Temperature: Mechanical, °C 1040
200
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1350
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
360
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.1
2.6
Embodied Energy, MJ/kg 71
42
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
25 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
9.2 to 10
Strength to Weight: Bending, points 19
11 to 12
Thermal Diffusivity, mm2/s 3.2
100
Thermal Shock Resistance, points 13
11 to 12

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
99.15 to 99.69
Iron (Fe), % 45.4 to 53.5
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0
Phosphorus (P), % 0 to 0.040
0.010 to 0.030
Silicon (Si), % 2.5 to 3.5
0
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0.3 to 0.7