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AISI 418 Stainless Steel vs. C76400 Nickel Silver

AISI 418 stainless steel belongs to the iron alloys classification, while C76400 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 418 stainless steel and the bottom bar is C76400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
46
Tensile Strength: Ultimate (UTS), MPa 1100
590 to 610

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 770
190
Melting Completion (Liquidus), °C 1500
990
Melting Onset (Solidus), °C 1460
950
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 25
31
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
32
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.9
4.1
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 110
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 38
19 to 20
Strength to Weight: Bending, points 29
18 to 19
Thermal Diffusivity, mm2/s 6.7
9.3
Thermal Shock Resistance, points 40
19 to 20

Alloy Composition

Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
58.5 to 61.5
Iron (Fe), % 78.5 to 83.6
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
16.5 to 19.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 2.5 to 3.5
0
Zinc (Zn), % 0
17.7 to 25
Residuals, % 0
0 to 0.5