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CR012A Copper vs. ACI-ASTM CK35MN Steel

CR012A copper belongs to the copper alloys classification, while ACI-ASTM CK35MN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 220
650
Tensile Strength: Yield (Proof), MPa 130
310

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.9
Embodied Energy, MJ/kg 42
81
Embodied Water, L/kg 360
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
210
Resilience: Unit (Modulus of Resilience), kJ/m3 76
240
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
22
Strength to Weight: Bending, points 9.0
21
Thermal Diffusivity, mm2/s 110
3.3
Thermal Shock Resistance, points 7.8
14

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 99.85 to 99.94
0 to 0.4
Iron (Fe), % 0
43.4 to 51.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.020