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S39274 Stainless Steel vs. C14181 Copper

S39274 stainless steel belongs to the iron alloys classification, while C14181 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is C14181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 17
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 81
43
Tensile Strength: Ultimate (UTS), MPa 900
210
Tensile Strength: Yield (Proof), MPa 620
130

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1480
1080
Melting Onset (Solidus), °C 1430
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
380
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 4.3
2.6
Embodied Energy, MJ/kg 60
41
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
28
Resilience: Unit (Modulus of Resilience), kJ/m3 940
69
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 32
6.5
Strength to Weight: Bending, points 26
8.8
Thermal Diffusivity, mm2/s 4.2
110
Thermal Shock Resistance, points 25
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0 to 0.0050
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0.2 to 0.8
99.9 to 100
Iron (Fe), % 57 to 65.6
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
0 to 0.0020