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C19025 Copper vs. S44625 Stainless Steel

C19025 copper belongs to the copper alloys classification, while S44625 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C19025 copper and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 17
22
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
80
Shear Strength, MPa 300 to 360
370
Tensile Strength: Ultimate (UTS), MPa 480 to 620
590

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1100
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
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 40
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 44
39
Embodied Water, L/kg 320
160

Common Calculations

Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 15 to 19
21
Strength to Weight: Bending, points 15 to 18
20
Thermal Diffusivity, mm2/s 47
4.6
Thermal Shock Resistance, points 17 to 22
19

Alloy Composition

Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 97.1 to 98.5
0 to 0.2
Iron (Fe), % 0
69.4 to 74.3
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0.8 to 1.2
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0.030 to 0.070
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0.7 to 1.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.3
0