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S20431 Stainless Steel vs. C97400 Nickel Silver

S20431 stainless steel belongs to the iron alloys classification, while C97400 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 S20431 stainless steel and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
70
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 46
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
44
Tensile Strength: Ultimate (UTS), MPa 710
260
Tensile Strength: Yield (Proof), MPa 350
120

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 890
180
Melting Completion (Liquidus), °C 1400
1100
Melting Onset (Solidus), °C 1360
1070
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
33
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 2.5
4.1
Embodied Energy, MJ/kg 36
64
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
43
Resilience: Unit (Modulus of Resilience), kJ/m3 310
59
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
8.5
Strength to Weight: Bending, points 23
11
Thermal Diffusivity, mm2/s 4.0
8.3
Thermal Shock Resistance, points 15
8.8

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
58 to 61
Iron (Fe), % 66.1 to 74.4
0 to 1.5
Lead (Pb), % 0
4.5 to 5.5
Manganese (Mn), % 5.0 to 7.0
0 to 0.5
Nickel (Ni), % 2.0 to 4.0
15.5 to 17
Nitrogen (N), % 0.1 to 0.25
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
2.5 to 3.5
Zinc (Zn), % 0
10 to 19.5
Residuals, % 0
0 to 1.0