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C14500 Copper vs. AISI 445 Stainless Steel

C14500 copper belongs to the copper alloys classification, while AISI 445 stainless steel belongs to the iron alloys. There are 29 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 C14500 copper and the bottom bar is AISI 445 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 12 to 50
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Shear Strength, MPa 150 to 190
310
Tensile Strength: Ultimate (UTS), MPa 220 to 330
480
Tensile Strength: Yield (Proof), MPa 69 to 260
230

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
950
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1050
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 360
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 94
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 95
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
38
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 85
98
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 300
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8 to 10
17
Strength to Weight: Bending, points 9.1 to 12
18
Thermal Diffusivity, mm2/s 100
5.6
Thermal Shock Resistance, points 8.0 to 12
16

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 99.2 to 99.596
0.3 to 0.6
Iron (Fe), % 0
74.9 to 80.7
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.6
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0.0040 to 0.012
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.012
Tellurium (Te), % 0.4 to 0.7
0