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CR012A Copper vs. EN 1.7729 Steel

CR012A copper belongs to the copper alloys classification, while EN 1.7729 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
910
Tensile Strength: Yield (Proof), MPa 130
750

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
430
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
3.8
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 42
49
Embodied Water, L/kg 360
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
150
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1500
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
32
Strength to Weight: Bending, points 9.0
27
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.8
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Bismuth (Bi), % 0 to 0.00050
0
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 99.85 to 99.94
0 to 0.2
Iron (Fe), % 0
94.8 to 97
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.2
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8