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ASTM B617 Coin Silver vs. Automotive Grey Cast Iron

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while automotive grey cast iron belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B617 coin silver and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
180
Elongation at Break, % 1.1 to 22
9.6 to 14
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 28
69 to 70
Tensile Strength: Ultimate (UTS), MPa 290 to 520
140 to 290

Thermal Properties

Latent Heat of Fusion, J/g 120
260 to 280
Melting Completion (Liquidus), °C 870
1380 to 1390
Melting Onset (Solidus), °C 780
1340 to 1350
Specific Heat Capacity, J/kg-K 250
490
Thermal Expansion, µm/m-K 19
12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 83
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 72
8.8 to 9.1

Otherwise Unclassified Properties

Density, g/cm3 10
7.5 to 7.6

Common Calculations

Stiffness to Weight: Axial, points 4.1
13
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 7.7 to 14
5.2 to 11
Strength to Weight: Bending, points 9.3 to 14
8.0 to 13
Thermal Shock Resistance, points 14 to 25
4.2 to 8.6