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EN 1.4740 Stainless Steel vs. C74400 Nickel Silver

EN 1.4740 stainless steel belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4740 stainless steel 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, % 22
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
39

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 900
140
Melting Completion (Liquidus), °C 1420
930
Melting Onset (Solidus), °C 1370
910
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 18
120
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 2.3
2.9
Embodied Energy, MJ/kg 32
48
Embodied Water, L/kg 120
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 4.8
37

Alloy Composition

Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 16 to 19
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 75.4 to 82.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
2.0 to 4.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3