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C81400 Copper vs. N08332 Stainless Steel

C81400 copper belongs to the copper alloys classification, while N08332 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C81400 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, % 11
34
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 69
77
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 370
520
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1050
Melting Completion (Liquidus), °C 1090
1390
Melting Onset (Solidus), °C 1070
1340
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 260
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 61
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
32
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.4
Embodied Energy, MJ/kg 45
77
Embodied Water, L/kg 310
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
110
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
18
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 75
3.1
Thermal Shock Resistance, points 13
12

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0.6 to 1.0
17 to 20
Copper (Cu), % 98.4 to 99.38
0 to 1.0
Iron (Fe), % 0
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
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
Residuals, % 0 to 0.5
0