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C18100 Copper vs. AISI 347 Stainless Steel

C18100 copper belongs to the copper alloys classification, while AISI 347 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 C18100 copper and the bottom bar is AISI 347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
34 to 46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
77
Shear Strength, MPa 300
430 to 460
Tensile Strength: Ultimate (UTS), MPa 510
610 to 690
Tensile Strength: Yield (Proof), MPa 460
240 to 350

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1080
1430
Melting Onset (Solidus), °C 1020
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
190 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 900
150 to 310
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
22 to 25
Strength to Weight: Bending, points 16
20 to 22
Thermal Diffusivity, mm2/s 94
4.3
Thermal Shock Resistance, points 18
13 to 15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.2
17 to 19
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
64.1 to 74
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0