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EN 1.7231 Steel vs. 70Ag-30Ni Alloy

EN 1.7231 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 (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 790 to 930
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1420
960
Specific Heat Capacity, J/kg-K 470
300
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
69
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
62

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 28 to 33
8.8 to 15
Strength to Weight: Bending, points 24 to 27
10 to 15
Thermal Shock Resistance, points 23 to 27
13 to 21

Alloy Composition


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Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.8 to 1.2
0
Iron (Fe), % 96.4 to 98.1
0
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
28.8 to 31
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
69 to 71
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.2

Comparable Variants