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C74000 Nickel Silver vs. S20431 Stainless Steel

C74000 nickel silver belongs to the copper alloys classification, while S20431 stainless steel belongs to the iron alloys. There are 23 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 C74000 nickel silver and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.32
0.28
Rockwell B Hardness 70 to 88
86
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 380 to 590
710

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Maximum Temperature: Mechanical, °C 180
890
Melting Completion (Liquidus), °C 990
1400
Melting Onset (Solidus), °C 950
1360
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 42
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.5
Embodied Energy, MJ/kg 54
36
Embodied Water, L/kg 310
140

Common Calculations

Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 19
25
Strength to Weight: Bending, points 14 to 18
23
Thermal Shock Resistance, points 13 to 19
15

Alloy Composition

Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 69 to 73.5
1.5 to 3.5
Iron (Fe), % 0 to 0.25
66.1 to 74.4
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
5.0 to 7.0
Nickel (Ni), % 9.0 to 11
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 14.2 to 22
0
Residuals, % 0 to 0.5
0