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C19025 Copper vs. S21600 Stainless Steel

C19025 copper belongs to the copper alloys classification, while S21600 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C19025 copper and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 17
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Shear Strength, MPa 300 to 360
500
Tensile Strength: Ultimate (UTS), MPa 480 to 620
710

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 1020
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 44
50
Embodied Water, L/kg 320
160

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
25
Strength to Weight: Bending, points 15 to 18
23
Thermal Shock Resistance, points 17 to 22
15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 97.1 to 98.5
0
Iron (Fe), % 0
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.8 to 1.2
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0.030 to 0.070
0 to 0.045
Silicon (Si), % 0
0 to 0.75
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