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Grade M3210 Cast Iron vs. Annealed SAE-AISI A8

Both grade M3210 cast iron and annealed SAE-AISI A8 are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade M3210 cast iron and the bottom bar is annealed SAE-AISI A8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
210
Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 10
21
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 70
74
Tensile Strength: Ultimate (UTS), MPa 350
700
Tensile Strength: Yield (Proof), MPa 220
330

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
37
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
8.5
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
31
Embodied Water, L/kg 45
73

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 13
25
Strength to Weight: Bending, points 14
22
Thermal Diffusivity, mm2/s 11
9.9
Thermal Shock Resistance, points 9.9
22

Alloy Composition

Carbon (C), % 2.2 to 2.9
0.5 to 0.6
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 93.6 to 96.7
88.5 to 91.9
Manganese (Mn), % 0.15 to 1.3
0 to 0.5
Molybdenum (Mo), % 0
1.2 to 1.7
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.020 to 0.15
0 to 0.030
Silicon (Si), % 0.9 to 1.9
0.75 to 1.1
Sulfur (S), % 0.020 to 0.2
0 to 0.030
Tungsten (W), % 0
1.0 to 1.5