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S44535 Stainless Steel vs. CC381H Copper-nickel

S44535 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 (5, in this case) are not shown.

For each property being compared, the top bar is S44535 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
91
Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 28
20
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 78
52
Tensile Strength: Ultimate (UTS), MPa 450
380
Tensile Strength: Yield (Proof), MPa 290
140

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1000
260
Melting Completion (Liquidus), °C 1430
1180
Melting Onset (Solidus), °C 1390
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 21
30
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.4
5.0
Embodied Energy, MJ/kg 34
73
Embodied Water, L/kg 140
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
60
Resilience: Unit (Modulus of Resilience), kJ/m3 200
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 16
12
Strength to Weight: Bending, points 17
13
Thermal Diffusivity, mm2/s 5.6
8.4
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20 to 24
0
Copper (Cu), % 0 to 0.5
64.5 to 69.9
Iron (Fe), % 73.2 to 79.6
0.5 to 1.5
Lanthanum (La), % 0.040 to 0.2
0
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.3 to 0.8
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0 to 0.050
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0.030 to 0.2
0
Zinc (Zn), % 0
0 to 0.5