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C18100 Copper vs. AISI 316 Stainless Steel

C18100 copper belongs to the copper alloys classification, while AISI 316 stainless steel belongs to the iron alloys. There are 30 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 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
8.0 to 55
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 80
80
Shear Modulus, GPa 47
78
Shear Strength, MPa 300
350 to 690
Tensile Strength: Ultimate (UTS), MPa 510
520 to 1180
Tensile Strength: Yield (Proof), MPa 460
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
590
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1020
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 320
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 43
53
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 900
130 to 1820
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
18 to 41
Strength to Weight: Bending, points 16
18 to 31
Thermal Diffusivity, mm2/s 94
4.1
Thermal Shock Resistance, points 18
11 to 26

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.2
16 to 18
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
62 to 72
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
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