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CR012A Copper vs. EN 1.4658 Stainless Steel

CR012A copper belongs to the copper alloys classification, while EN 1.4658 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
28
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 220
900
Tensile Strength: Yield (Proof), MPa 130
730

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
16
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 42
61
Embodied Water, L/kg 360
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
240
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1280
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
32
Strength to Weight: Bending, points 9.0
26
Thermal Diffusivity, mm2/s 110
4.3
Thermal Shock Resistance, points 7.8
24

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 99.85 to 99.94
0 to 1.0
Iron (Fe), % 0
50.9 to 63.7
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.010