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EN 1.6956 Steel vs. CR012A Copper

EN 1.6956 steel belongs to the iron alloys classification, while CR012A copper 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 EN 1.6956 steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 9.6
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 1230
220
Tensile Strength: Yield (Proof), MPa 1120
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 440
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 46
390
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
33
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 31
42
Embodied Water, L/kg 60
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
29
Resilience: Unit (Modulus of Resilience), kJ/m3 3320
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 43
6.8
Strength to Weight: Bending, points 32
9.0
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 36
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.28 to 0.38
0
Chromium (Cr), % 1.0 to 1.7
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 92.4 to 95.3
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 2.9 to 3.8
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.035
0
Vanadium (V), % 0.080 to 0.25
0