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S34565 Stainless Steel vs. CC381H Copper-nickel

S34565 stainless steel belongs to the iron alloys classification, while CC381H 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 S34565 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
91
Elastic (Young's, Tensile) Modulus, GPa 210
140
Elongation at Break, % 39
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 900
380
Tensile Strength: Yield (Proof), MPa 470
140

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Maximum Temperature: Mechanical, °C 1100
260
Melting Completion (Liquidus), °C 1420
1180
Melting Onset (Solidus), °C 1380
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 28
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.3
5.0
Embodied Energy, MJ/kg 73
73
Embodied Water, L/kg 210
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
60
Resilience: Unit (Modulus of Resilience), kJ/m3 540
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32
12
Strength to Weight: Bending, points 26
13
Thermal Diffusivity, mm2/s 3.2
8.4
Thermal Shock Resistance, points 22
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 43.2 to 51.6
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 5.0 to 7.0
0.6 to 1.2
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 18
29 to 31
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Zinc (Zn), % 0
0 to 0.5