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C18100 Copper vs. N08332 Stainless Steel

C18100 copper belongs to the copper alloys classification, while N08332 stainless steel belongs to the iron alloys. There are 30 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 C18100 copper and the bottom bar is N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
34
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 80
77
Shear Modulus, GPa 47
76
Shear Strength, MPa 300
350
Tensile Strength: Ultimate (UTS), MPa 510
520
Tensile Strength: Yield (Proof), MPa 460
210

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1050
Melting Completion (Liquidus), °C 1080
1390
Melting Onset (Solidus), °C 1020
1340
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 81
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.4
Embodied Energy, MJ/kg 43
77
Embodied Water, L/kg 310
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
140
Resilience: Unit (Modulus of Resilience), kJ/m3 900
110
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 94
3.1
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0.4 to 1.2
17 to 20
Copper (Cu), % 98.7 to 99.49
0 to 1.0
Iron (Fe), % 0
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
34 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.75 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.025
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0