MakeItFrom.com
Menu (ESC)

S31266 Stainless Steel vs. C18900 Copper

S31266 stainless steel belongs to the iron alloys classification, while C18900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 40
14 to 48
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 81
43
Shear Strength, MPa 590
190 to 300
Tensile Strength: Ultimate (UTS), MPa 860
260 to 500
Tensile Strength: Yield (Proof), MPa 470
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1470
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
30

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 6.5
2.7
Embodied Energy, MJ/kg 89
42
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 540
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 29
8.2 to 16
Strength to Weight: Bending, points 24
10 to 16
Thermal Diffusivity, mm2/s 3.1
38
Thermal Shock Resistance, points 18
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
97.7 to 99.15
Iron (Fe), % 34.1 to 46
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 2.0 to 4.0
0.1 to 0.3
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.6 to 0.9
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5