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C81400 Copper vs. N08028 Stainless Steel

C81400 copper belongs to the copper alloys classification, while N08028 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
45
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 69
80
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 370
570
Tensile Strength: Yield (Proof), MPa 250
240

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1070
1370
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
12
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
37
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.4
Embodied Energy, MJ/kg 45
89
Embodied Water, L/kg 310
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
210
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
19
Strength to Weight: Bending, points 13
19
Thermal Diffusivity, mm2/s 75
3.2
Thermal Shock Resistance, points 13
12

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.6 to 1.0
26 to 28
Copper (Cu), % 98.4 to 99.38
0.6 to 1.4
Iron (Fe), % 0
29 to 40.4
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
30 to 34
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0