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S38815 Stainless Steel vs. 85-silver 15-nickel

S38815 stainless steel belongs to the iron alloys classification, while 85-silver 15-nickel belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is 85-silver 15-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
88
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 74
32
Tensile Strength: Ultimate (UTS), MPa 610
260 to 470

Thermal Properties

Latent Heat of Fusion, J/g 370
140
Melting Completion (Liquidus), °C 1360
870
Melting Onset (Solidus), °C 1310
960
Specific Heat Capacity, J/kg-K 500
270
Thermal Expansion, µm/m-K 15
18

Otherwise Unclassified Properties

Density, g/cm3 7.5
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 22
7.1 to 13
Strength to Weight: Bending, points 21
8.9 to 13
Thermal Shock Resistance, points 15
12 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
13.8 to 16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0
Silver (Ag), % 0
84 to 86
Sulfur (S), % 0 to 0.020
0
Residuals, % 0
0 to 0.2