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C19025 Copper vs. N08904 Stainless Steel

C19025 copper belongs to the copper alloys classification, while N08904 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 N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 17
38
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 300 to 360
370
Tensile Strength: Ultimate (UTS), MPa 480 to 620
540

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1020
1390
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 160
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 40
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
5.8
Embodied Energy, MJ/kg 44
79
Embodied Water, L/kg 320
200

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 15 to 19
19
Strength to Weight: Bending, points 15 to 18
18
Thermal Diffusivity, mm2/s 47
3.1
Thermal Shock Resistance, points 17 to 22
12

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 97.1 to 98.5
1.0 to 2.0
Iron (Fe), % 0
38.8 to 53
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0.8 to 1.2
23 to 28
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 0.035
Tin (Sn), % 0.7 to 1.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.3
0