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AISI 418 Stainless Steel vs. C79200 Nickel Silver

AISI 418 stainless steel belongs to the iron alloys classification, while C79200 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 C79200 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
44
Tensile Strength: Ultimate (UTS), MPa 1100
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 770
170
Melting Completion (Liquidus), °C 1500
950
Melting Onset (Solidus), °C 1460
910
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 25
42
Thermal Expansion, µm/m-K 10
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
30

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 110
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 38
16 to 18
Strength to Weight: Bending, points 29
16 to 18
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 40
16 to 18

Alloy Composition

Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
59 to 66.5
Iron (Fe), % 78.5 to 83.6
0 to 0.25
Lead (Pb), % 0
0.8 to 1.4
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
11 to 13
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
17.9 to 29.2
Residuals, % 0
0 to 0.5