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AWS E309 vs. C79200 Nickel Silver

AWS E309 belongs to the iron alloys classification, while C79200 nickel silver belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E309 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 0.27
0.32
Shear Modulus, GPa 78
44
Tensile Strength: Ultimate (UTS), MPa 620
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Melting Completion (Liquidus), °C 1410
950
Melting Onset (Solidus), °C 1370
910
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 14
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
30

Otherwise Unclassified Properties

Base Metal Price, % relative 20
30
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.7
3.6
Embodied Energy, MJ/kg 52
56
Embodied Water, L/kg 180
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
16 to 18
Strength to Weight: Bending, points 21
16 to 18
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 16
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
59 to 66.5
Iron (Fe), % 55.8 to 65.5
0 to 0.25
Lead (Pb), % 0
0.8 to 1.4
Manganese (Mn), % 0.5 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
11 to 13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
17.9 to 29.2
Residuals, % 0
0 to 0.5