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CR012A Copper vs. EN 1.4634 Stainless Steel

CR012A copper belongs to the copper alloys classification, while EN 1.4634 stainless 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 EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
540
Tensile Strength: Yield (Proof), MPa 130
280

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 360
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
93
Resilience: Unit (Modulus of Resilience), kJ/m3 76
200
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
20
Strength to Weight: Bending, points 9.0
19
Thermal Diffusivity, mm2/s 110
5.8
Thermal Shock Resistance, points 7.8
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 99.85 to 99.94
0 to 0.5
Iron (Fe), % 0
74.9 to 81.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0.2 to 1.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.050