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EN 1.4439 Stainless Steel vs. C74400 Nickel Silver

EN 1.4439 stainless steel belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4439 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, % 40
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 79
39
Shear Strength, MPa 470
240
Tensile Strength: Ultimate (UTS), MPa 680
350
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 980
140
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 22
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.5
2.9
Embodied Energy, MJ/kg 61
48
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 22
14
Thermal Diffusivity, mm2/s 3.8
37
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 58.7 to 66.9
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 12.5 to 14.5
2.0 to 4.0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3