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EN 1.4557 Stainless Steel vs. C97800 Nickel Silver

EN 1.4557 stainless steel belongs to the iron alloys classification, while C97800 nickel silver belongs to the copper alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 1.4557 stainless steel and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Elongation at Break, % 40
10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
48
Tensile Strength: Ultimate (UTS), MPa 560
370
Tensile Strength: Yield (Proof), MPa 300
170

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1090
230
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1140
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 5.6
5.1
Embodied Energy, MJ/kg 76
76
Embodied Water, L/kg 190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
31
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 19
12
Strength to Weight: Bending, points 19
13
Thermal Diffusivity, mm2/s 4.0
7.3
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
64 to 67
Iron (Fe), % 49.5 to 56.3
0 to 1.5
Lead (Pb), % 0
1.0 to 2.5
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
24 to 27
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.080
Tin (Sn), % 0
4.0 to 5.5
Zinc (Zn), % 0
1.0 to 4.0
Residuals, % 0
0 to 0.4