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C19025 Copper vs. S41050 Stainless Steel

C19025 copper belongs to the copper alloys classification, while S41050 stainless steel belongs to the iron alloys. There are 26 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 C19025 copper and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0 to 17
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Shear Strength, MPa 300 to 360
300
Tensile Strength: Ultimate (UTS), MPa 480 to 620
470

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1020
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 160
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 40
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 44
27
Embodied Water, L/kg 320
97

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 15 to 19
17
Strength to Weight: Bending, points 15 to 18
17
Thermal Diffusivity, mm2/s 47
7.2
Thermal Shock Resistance, points 17 to 22
17

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 97.1 to 98.5
0
Iron (Fe), % 0
84.2 to 88.9
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.8 to 1.2
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.030 to 0.070
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.7 to 1.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.3
0