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AISI 414 Stainless Steel vs. CC381H Copper-nickel

AISI 414 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 28 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 AISI 414 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 17
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
52
Tensile Strength: Ultimate (UTS), MPa 900 to 960
380
Tensile Strength: Yield (Proof), MPa 700 to 790
140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 750
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.1
5.0
Embodied Energy, MJ/kg 29
73
Embodied Water, L/kg 100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
60
Resilience: Unit (Modulus of Resilience), kJ/m3 1260 to 1590
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 34
12
Strength to Weight: Bending, points 27 to 28
13
Thermal Diffusivity, mm2/s 6.7
8.4
Thermal Shock Resistance, points 33 to 35
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 81.8 to 87.3
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0.6 to 1.2
Nickel (Ni), % 1.3 to 2.5
29 to 31
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Zinc (Zn), % 0
0 to 0.5