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ACI-ASTM CN7MS Steel vs. C14200 Copper

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while C14200 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is C14200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
8.0 to 45
Fatigue Strength, MPa 200
76 to 130
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 540
220 to 370
Tensile Strength: Yield (Proof), MPa 230
75 to 340

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
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
190
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.1
2.6
Embodied Energy, MJ/kg 71
41
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
29 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 140
24 to 500
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
6.8 to 11
Strength to Weight: Bending, points 19
9.1 to 13
Thermal Diffusivity, mm2/s 3.2
56
Thermal Shock Resistance, points 13
7.9 to 13

Alloy Composition

Arsenic (As), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
99.4 to 99.835
Iron (Fe), % 45.4 to 53.5
0
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
0.015 to 0.040
Silicon (Si), % 2.5 to 3.5
0
Sulfur (S), % 0 to 0.030
0