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S31254 Stainless Steel vs. C10400 Copper

S31254 stainless steel belongs to the iron alloys classification, while C10400 copper belongs to the copper alloys. There are 29 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 S31254 stainless steel and the bottom bar is C10400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
2.3 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
43
Shear Strength, MPa 490
160 to 240
Tensile Strength: Ultimate (UTS), MPa 720
230 to 410
Tensile Strength: Yield (Proof), MPa 330
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1090
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 14
390
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 28
32
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 5.5
2.6
Embodied Energy, MJ/kg 74
42
Embodied Water, L/kg 190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
8.5 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 270
25 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25
7.2 to 13
Strength to Weight: Bending, points 22
9.4 to 14
Thermal Diffusivity, mm2/s 3.8
110
Thermal Shock Resistance, points 15
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
99.9 to 99.973
Iron (Fe), % 51.4 to 56.3
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
0
Nitrogen (N), % 0.18 to 0.22
0
Oxygen (O), % 0
0 to 0.0010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0
Silver (Ag), % 0
0.027 to 0.050
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.050