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EN 1.4640 Stainless Steel vs. C74400 Nickel Silver

EN 1.4640 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 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, % 51
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
39
Shear Strength, MPa 440 to 460
240
Tensile Strength: Ultimate (UTS), MPa 620 to 650
350
Tensile Strength: Yield (Proof), MPa 240 to 260
120

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 930
140
Melting Completion (Liquidus), °C 1420
930
Melting Onset (Solidus), °C 1380
910
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
29

Otherwise Unclassified Properties

Base Metal Price, % relative 14
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 40
48
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22 to 23
12
Strength to Weight: Bending, points 21
14
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 14 to 15
12

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
62 to 66
Iron (Fe), % 67.4 to 73.6
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
2.0 to 4.0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3