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C17000 Copper vs. S44627 Stainless Steel

C17000 copper belongs to the copper alloys classification, while S44627 stainless steel belongs to the iron alloys. There are 28 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 C17000 copper and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 31
24
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 45
80
Shear Strength, MPa 320 to 750
310
Tensile Strength: Ultimate (UTS), MPa 490 to 1310
490
Tensile Strength: Yield (Proof), MPa 160 to 1140
300

Thermal Properties

Latent Heat of Fusion, J/g 230
290
Maximum Temperature: Mechanical, °C 270
1100
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 870
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 22
2.6

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 8.7
2.9
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 390
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5420
220
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 41
18
Strength to Weight: Bending, points 16 to 30
18
Thermal Diffusivity, mm2/s 32
4.6
Thermal Shock Resistance, points 17 to 45
16

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.6 to 1.8
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 96.3 to 98.2
0 to 0.2
Iron (Fe), % 0 to 0.4
69.2 to 74.2
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0.2 to 0.6
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.5
0