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S31655 Stainless Steel vs. C77400 Nickel Silver

S31655 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 S31655 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, % 39
25
Poisson's Ratio 0.28
0.3
Rockwell B Hardness 88
73
Shear Modulus, GPa 78
42
Shear Strength, MPa 490
360
Tensile Strength: Ultimate (UTS), MPa 710
570
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 1010
130
Melting Completion (Liquidus), °C 1430
810
Melting Onset (Solidus), °C 1380
770
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
31

Otherwise Unclassified Properties

Base Metal Price, % relative 17
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
43 to 47
Iron (Fe), % 63.2 to 71.9
0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
9.0 to 11
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
41.3 to 48
Residuals, % 0
0 to 0.5