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Austenitic Nodular Cast Iron vs. ASTM Grade HD Steel

Both austenitic nodular cast iron and ASTM grade HD steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
200
Elongation at Break, % 6.8 to 34
9.1
Poisson's Ratio 0.29 to 0.3
0.27
Shear Modulus, GPa 70 to 72
80
Tensile Strength: Ultimate (UTS), MPa 430 to 500
590
Tensile Strength: Yield (Proof), MPa 190 to 240
270

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
310
Melting Completion (Liquidus), °C 1340 to 1400
1410
Melting Onset (Solidus), °C 1300 to 1360
1370
Specific Heat Capacity, J/kg-K 470 to 490
490
Thermal Expansion, µm/m-K 13 to 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
17
Density, g/cm3 7.7 to 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
3.1
Embodied Energy, MJ/kg 48 to 68
45
Embodied Water, L/kg 91 to 120
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
44
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24 to 25
26
Strength to Weight: Axial, points 15 to 18
21
Strength to Weight: Bending, points 16 to 18
20
Thermal Shock Resistance, points 12 to 15
19