MakeItFrom.com
Menu (ESC)

C82700 Copper vs. S40975 Stainless Steel

C82700 copper belongs to the copper alloys classification, while S40975 stainless steel belongs to the iron alloys. There are 27 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 C82700 copper and the bottom bar is S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.8
22
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
75
Tensile Strength: Ultimate (UTS), MPa 1200
460
Tensile Strength: Yield (Proof), MPa 1020
310

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 300
710
Melting Completion (Liquidus), °C 950
1450
Melting Onset (Solidus), °C 860
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 130
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 21
3.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
2.0
Embodied Energy, MJ/kg 180
28
Embodied Water, L/kg 310
95

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
93
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
250
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 29
17
Thermal Diffusivity, mm2/s 39
7.0
Thermal Shock Resistance, points 41
17

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.090
10.5 to 11.7
Copper (Cu), % 94.6 to 96.7
0
Iron (Fe), % 0 to 0.25
84.4 to 89
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 1.0 to 1.5
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
0 to 0.75
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0