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AWS E240 vs. C74400 Nickel Silver

AWS E240 belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 770
350

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Melting Completion (Liquidus), °C 1390
930
Melting Onset (Solidus), °C 1350
910
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 15
20

Otherwise Unclassified Properties

Base Metal Price, % relative 14
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 160
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
12
Strength to Weight: Bending, points 24
14
Thermal Diffusivity, mm2/s 3.9
37
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0 to 0.75
62 to 66
Iron (Fe), % 58.6 to 68.4
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 10.5 to 13.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.0 to 6.0
2.0 to 4.0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3