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C99500 Copper vs. N08904 Stainless Steel

C99500 copper belongs to the copper alloys classification, while N08904 stainless steel belongs to the iron alloys. There are 26 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 C99500 copper and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 13
38
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 45
79
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 210
1100
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 3.0
5.8
Embodied Energy, MJ/kg 47
79
Embodied Water, L/kg 300
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
170
Resilience: Unit (Modulus of Resilience), kJ/m3 410
150
Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 82.5 to 92
1.0 to 2.0
Iron (Fe), % 3.0 to 5.0
38.8 to 53
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 3.5 to 5.5
23 to 28
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.5 to 2.0
0 to 1.0
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0.5 to 2.0
0
Residuals, % 0 to 0.3
0