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S21900 Stainless Steel vs. C73100 Nickel Silver

S21900 stainless steel belongs to the iron alloys classification, while C73100 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 S21900 stainless steel and the bottom bar is C73100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 50
3.4 to 8.0
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
43
Shear Strength, MPa 510
260 to 370
Tensile Strength: Ultimate (UTS), MPa 710
450 to 640
Tensile Strength: Yield (Proof), MPa 390
420 to 590

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 980
170
Melting Completion (Liquidus), °C 1400
1030
Melting Onset (Solidus), °C 1350
1000
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
35
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
28
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 43
49
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
21 to 35
Resilience: Unit (Modulus of Resilience), kJ/m3 380
790 to 1560
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26
15 to 21
Strength to Weight: Bending, points 23
15 to 20
Thermal Diffusivity, mm2/s 3.8
11
Thermal Shock Resistance, points 15
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
70.8 to 78
Iron (Fe), % 59.4 to 67.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 5.5 to 7.5
4.0 to 6.0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
18 to 22
Residuals, % 0
0 to 0.5