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Austenitic Nodular Cast Iron vs. ASTM A387 Grade 22 Steel

Both austenitic nodular cast iron and ASTM A387 grade 22 steel are iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 240
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 180 to 190
190
Elongation at Break, % 6.8 to 34
21
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 70 to 72
74
Tensile Strength: Ultimate (UTS), MPa 430 to 500
480 to 600
Tensile Strength: Yield (Proof), MPa 190 to 240
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
260
Melting Completion (Liquidus), °C 1340 to 1400
1470
Melting Onset (Solidus), °C 1300 to 1360
1430
Specific Heat Capacity, J/kg-K 470 to 490
470
Thermal Expansion, µm/m-K 13 to 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
3.8
Density, g/cm3 7.7 to 8.0
7.9
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
1.7
Embodied Energy, MJ/kg 48 to 68
23
Embodied Water, L/kg 91 to 120
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
140 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24 to 25
24
Strength to Weight: Axial, points 15 to 18
17 to 21
Strength to Weight: Bending, points 16 to 18
17 to 20
Thermal Shock Resistance, points 12 to 15
14 to 17