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ACI-ASTM CD6MN Steel vs. C71580 Copper-nickel

ACI-ASTM CD6MN steel belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 28 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 CD6MN steel and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 28
40
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
51
Tensile Strength: Ultimate (UTS), MPa 730
330
Tensile Strength: Yield (Proof), MPa 510
110

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1390
1120
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
41
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
5.1
Embodied Energy, MJ/kg 48
74
Embodied Water, L/kg 170
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 650
47
Stiffness to Weight: Axial, points 15
8.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26
10
Strength to Weight: Bending, points 23
12
Thermal Diffusivity, mm2/s 4.4
11
Thermal Shock Resistance, points 20
11

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 0
65.5 to 71
Iron (Fe), % 62.1 to 70.1
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 4.0 to 6.0
29 to 33
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5