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S21800 Stainless Steel vs. C74400 Nickel Silver

S21800 stainless steel belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 40
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
39
Shear Strength, MPa 510
240
Tensile Strength: Ultimate (UTS), MPa 740
350
Tensile Strength: Yield (Proof), MPa 390
120

Thermal Properties

Latent Heat of Fusion, J/g 340
180
Maximum Temperature: Mechanical, °C 900
140
Melting Completion (Liquidus), °C 1360
930
Melting Onset (Solidus), °C 1310
910
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 390
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 27
12
Strength to Weight: Bending, points 24
14
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 59.1 to 65.4
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 8.0 to 9.0
2.0 to 4.0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3