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S32550 Stainless Steel vs. 70Ag-30Ni Alloy

S32550 stainless steel belongs to the iron alloys classification, while 70Ag-30Ni alloy 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 S32550 stainless steel and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.27
0.35
Shear Modulus, GPa 80
39
Tensile Strength: Ultimate (UTS), MPa 860
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Melting Completion (Liquidus), °C 1440
960
Melting Onset (Solidus), °C 1390
960
Specific Heat Capacity, J/kg-K 480
300
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
69
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
62

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 31
8.8 to 15
Strength to Weight: Bending, points 26
10 to 15
Thermal Shock Resistance, points 23
13 to 21

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.9 to 3.9
0
Nickel (Ni), % 4.5 to 6.5
28.8 to 31
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
69 to 71
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.2