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AISI 348H Stainless Steel vs. 85-silver 15-nickel

AISI 348H stainless steel belongs to the iron alloys classification, while 85-silver 15-nickel belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AISI 348H stainless steel and the bottom bar is 85-silver 15-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
88
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
32
Tensile Strength: Ultimate (UTS), MPa 580
260 to 470

Thermal Properties

Latent Heat of Fusion, J/g 290
140
Melting Completion (Liquidus), °C 1430
870
Melting Onset (Solidus), °C 1390
960
Specific Heat Capacity, J/kg-K 480
270
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
86
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
75

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 21
7.1 to 13
Strength to Weight: Bending, points 20
8.9 to 13
Thermal Shock Resistance, points 13
12 to 21

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 17 to 19
0
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 13
13.8 to 16
Niobium (Nb), % 0.32 to 1.0
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
84 to 86
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0 to 0.1
0
Residuals, % 0
0 to 0.2