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C82700 Copper vs. S44735 Stainless Steel

C82700 copper belongs to the copper alloys classification, while S44735 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 1.8
21
Poisson's Ratio 0.33
0.27
Rockwell C Hardness 39
22
Shear Modulus, GPa 46
82
Tensile Strength: Ultimate (UTS), MPa 1200
630
Tensile Strength: Yield (Proof), MPa 1020
460

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 950
1460
Melting Onset (Solidus), °C 860
1420
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
4.4
Embodied Energy, MJ/kg 180
61
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
520
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 38
23
Strength to Weight: Bending, points 29
21
Thermal Shock Resistance, points 41
20

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
28 to 30
Copper (Cu), % 94.6 to 96.7
0
Iron (Fe), % 0 to 0.25
60.7 to 68.4
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 1.0 to 1.5
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
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
0.2 to 1.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0