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S21800 Stainless Steel vs. C77400 Nickel Silver

S21800 stainless steel belongs to the iron alloys classification, while C77400 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 40
25
Poisson's Ratio 0.28
0.3
Rockwell B Hardness 88
73
Shear Modulus, GPa 75
42
Shear Strength, MPa 510
360
Tensile Strength: Ultimate (UTS), MPa 740
570
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 340
170
Maximum Temperature: Mechanical, °C 900
130
Melting Completion (Liquidus), °C 1360
810
Melting Onset (Solidus), °C 1310
770
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.5
Embodied Energy, MJ/kg 45
57
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
290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 26
20
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
43 to 47
Iron (Fe), % 59.1 to 65.4
0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 8.0 to 9.0
9.0 to 11
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
41.3 to 48
Residuals, % 0
0 to 0.5