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S32950 Stainless Steel vs. C70600 Copper-nickel

S32950 stainless steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 29 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 S32950 stainless steel and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
3.0 to 34
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
46
Shear Strength, MPa 480
190 to 330
Tensile Strength: Ultimate (UTS), MPa 780
290 to 570
Tensile Strength: Yield (Proof), MPa 550
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1430
1150
Melting Onset (Solidus), °C 1390
1100
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
44
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
33
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
3.4
Embodied Energy, MJ/kg 47
51
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 730
16 to 290
Stiffness to Weight: Axial, points 15
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
9.1 to 18
Strength to Weight: Bending, points 24
11 to 17
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 21
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
84.7 to 90
Iron (Fe), % 60.3 to 69.4
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
9.0 to 11
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5