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AWS BVAg-8b vs. Automotive Malleable Cast Iron

AWS BVAg-8b belongs to the otherwise unclassified metals classification, while automotive malleable cast iron belongs to the iron alloys. There are 15 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 AWS BVAg-8b and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
180
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
70
Tensile Strength: Ultimate (UTS), MPa 170
350 to 720

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 800
1410
Melting Onset (Solidus), °C 780
1370
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 10
7.6

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.7
13 to 26
Strength to Weight: Bending, points 6.8
14 to 24
Thermal Shock Resistance, points 7.6
9.9 to 21

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
2.2 to 2.9
Copper (Cu), % 26.8 to 29.2
0
Iron (Fe), % 0
93.6 to 96.7
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.15 to 1.3
Nickel (Ni), % 0.3 to 0.7
0
Phosphorus (P), % 0 to 0.0020
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Silver (Ag), % 70.5 to 72.5
0
Sulfur (S), % 0
0.020 to 0.2
Zinc (Zn), % 0 to 0.0010
0