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S31254 Stainless Steel vs. C77000 Nickel Silver

S31254 stainless steel belongs to the iron alloys classification, while C77000 nickel silver belongs to the copper alloys. There are 25 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 S31254 stainless steel and the bottom bar is C77000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 84
52 to 99
Shear Modulus, GPa 80
46
Tensile Strength: Ultimate (UTS), MPa 720
420 to 800

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1090
180
Melting Completion (Liquidus), °C 1460
1050
Melting Onset (Solidus), °C 1420
1000
Specific Heat Capacity, J/kg-K 460
400
Thermal Conductivity, W/m-K 14
29
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 5.5
4.1
Embodied Energy, MJ/kg 74
63
Embodied Water, L/kg 190
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 25
14 to 27
Strength to Weight: Bending, points 22
15 to 23
Thermal Diffusivity, mm2/s 3.8
8.8
Thermal Shock Resistance, points 15
15 to 28

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
53.5 to 56.5
Iron (Fe), % 51.4 to 56.3
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
16.5 to 19.5
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
22.7 to 30
Residuals, % 0
0 to 0.5