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ASTM A182 Grade F122 vs. Automotive Grey Cast Iron

Both ASTM A182 grade F122 and automotive grey cast iron are iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F122 and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 23
9.6 to 14
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
69 to 70
Tensile Strength: Ultimate (UTS), MPa 710
140 to 290
Tensile Strength: Yield (Proof), MPa 450
94 to 200

Thermal Properties

Latent Heat of Fusion, J/g 270
260 to 280
Melting Completion (Liquidus), °C 1490
1380 to 1390
Melting Onset (Solidus), °C 1440
1340 to 1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 24
41 to 43
Thermal Expansion, µm/m-K 13
12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.8 to 9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.9 to 3.0
Density, g/cm3 8.0
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 3.0
1.5 to 1.7
Embodied Energy, MJ/kg 44
21 to 24
Embodied Water, L/kg 100
44 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
18 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 520
25 to 110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
5.2 to 11
Strength to Weight: Bending, points 22
8.0 to 13
Thermal Diffusivity, mm2/s 6.4
11 to 12
Thermal Shock Resistance, points 19
4.2 to 8.6