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Grey Cast Iron vs. ASTM A182 Grade F5a

Both grey cast iron and ASTM A182 grade F5a are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 300
310
Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 9.6
25
Fatigue Strength, MPa 69 to 170
380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
74
Shear Strength, MPa 180 to 610
450
Tensile Strength: Ultimate (UTS), MPa 160 to 450
710
Tensile Strength: Yield (Proof), MPa 98 to 290
520

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1180
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 46
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
4.5
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 21
24
Embodied Water, L/kg 44
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
160
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
700
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 5.8 to 17
25
Strength to Weight: Bending, points 8.7 to 17
23
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 6.0 to 17
20

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Iron (Fe), % 92.1 to 93.9
91.4 to 95.6
Manganese (Mn), % 0.5 to 0.7
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.9
0 to 0.040
Silicon (Si), % 2.5 to 2.8
0 to 0.5
Sulfur (S), % 0 to 0.15
0 to 0.030