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CR012A Copper vs. AISI 446 Stainless Steel

CR012A copper belongs to the copper alloys classification, while AISI 446 stainless steel belongs to the iron alloys. There are 28 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 AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
23
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 220
570
Tensile Strength: Yield (Proof), MPa 130
300

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1180
Melting Completion (Liquidus), °C 1090
1510
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 390
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 42
35
Embodied Water, L/kg 360
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
230
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 110
4.6
Thermal Shock Resistance, points 7.8
19

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
23 to 27
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
69.2 to 77
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030