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S33550 Stainless Steel vs. C72150 Copper-nickel

S33550 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 30 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 S33550 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 40
29
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
55
Shear Strength, MPa 470
320
Tensile Strength: Ultimate (UTS), MPa 680
490
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1400
1210
Melting Onset (Solidus), °C 1360
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.3
6.1
Embodied Energy, MJ/kg 61
88
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 3.9
6.0
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.1
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 48.8 to 58.2
0 to 0.1
Lanthanum (La), % 0.025 to 0.070
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.050
Nickel (Ni), % 16.5 to 20
43 to 46
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5