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C17300 Copper vs. S44700 Stainless Steel

C17300 copper belongs to the copper alloys classification, while S44700 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C17300 copper and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 3.0 to 23
23
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 45
82
Shear Strength, MPa 320 to 790
380
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
600
Tensile Strength: Yield (Proof), MPa 160 to 1200
450

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 270
1100
Melting Completion (Liquidus), °C 980
1460
Melting Onset (Solidus), °C 870
1410
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.4
3.6
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 88
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 5410
480
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16 to 44
21
Strength to Weight: Bending, points 16 to 31
20
Thermal Shock Resistance, points 17 to 48
19

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 1.8 to 2.0
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 95.5 to 97.8
0 to 0.15
Iron (Fe), % 0 to 0.4
64.9 to 68.5
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0.2 to 0.6
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.5
0