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S43940 Stainless Steel vs. C77400 Nickel Silver

S43940 stainless steel belongs to the iron alloys classification, while C77400 nickel silver belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S43940 stainless steel and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 21
25
Poisson's Ratio 0.28
0.3
Rockwell B Hardness 76
73
Shear Modulus, GPa 77
42
Shear Strength, MPa 310
360
Tensile Strength: Ultimate (UTS), MPa 490
570
Tensile Strength: Yield (Proof), MPa 280
250

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 890
130
Melting Completion (Liquidus), °C 1440
810
Melting Onset (Solidus), °C 1400
770
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
31

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 38
57
Embodied Water, L/kg 120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 18
18

Alloy Composition


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Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 18.5
0
Copper (Cu), % 0
43 to 47
Iron (Fe), % 78.2 to 82.1
0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0
9.0 to 11
Niobium (Nb), % 0.3 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.1 to 0.6
0
Zinc (Zn), % 0
41.3 to 48
Residuals, % 0
0 to 0.5