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AWS BAg-1a vs. Automotive Grey Cast Iron

AWS BAg-1a belongs to the otherwise unclassified metals classification, while automotive grey cast iron belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-1a and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 29
69 to 70
Tensile Strength: Ultimate (UTS), MPa 180
140 to 290

Thermal Properties

Latent Heat of Fusion, J/g 120
260 to 280
Melting Completion (Liquidus), °C 640
1380 to 1390
Melting Onset (Solidus), °C 630
1340 to 1350
Specific Heat Capacity, J/kg-K 280
490
Thermal Expansion, µm/m-K 22
12 to 14

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 48
1.5 to 1.7
Embodied Energy, MJ/kg 760
21 to 24

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 5.4
5.2 to 11
Strength to Weight: Bending, points 7.6
8.0 to 13
Thermal Shock Resistance, points 7.5
4.2 to 8.6