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C99300 Copper vs. S17400 Stainless Steel

C99300 copper belongs to the copper alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C99300 copper and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 2.0
11 to 21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
75
Tensile Strength: Ultimate (UTS), MPa 660
910 to 1390
Tensile Strength: Yield (Proof), MPa 380
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 250
850
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 43
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 35
14
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.7
Embodied Energy, MJ/kg 70
39
Embodied Water, L/kg 400
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 590
880 to 4060
Stiffness to Weight: Axial, points 8.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 22
32 to 49
Strength to Weight: Bending, points 20
27 to 35
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 22
30 to 46

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
3.0 to 5.0
Iron (Fe), % 0.4 to 1.0
70.4 to 78.9
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 13.5 to 16.5
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.020
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Residuals, % 0 to 0.3
0