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EN 1.4818 Stainless Steel vs. ASTM B617 Coin Silver

EN 1.4818 stainless steel belongs to the iron alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 19 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 1.4818 stainless steel and the bottom bar is ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
75
Elongation at Break, % 40
1.1 to 22
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 77
28
Shear Strength, MPa 480
180 to 290
Tensile Strength: Ultimate (UTS), MPa 700
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Melting Completion (Liquidus), °C 1410
870
Melting Onset (Solidus), °C 1370
780
Specific Heat Capacity, J/kg-K 490
250
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
83
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
72

Otherwise Unclassified Properties

Density, g/cm3 7.7
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 25
7.7 to 14
Strength to Weight: Bending, points 23
9.3 to 14
Thermal Shock Resistance, points 15
14 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0.040 to 0.080
0
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
9.0 to 10.4
Iron (Fe), % 65.6 to 71.8
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 9.0 to 11
0 to 0.010
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 1.0 to 2.0
0
Silver (Ag), % 0
89.6 to 91
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.060