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Austenitic Nodular Cast Iron vs. ASTM B817 Type I

Austenitic nodular cast iron belongs to the iron alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 23 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 B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
100
Elongation at Break, % 6.8 to 34
4.0 to 13
Poisson's Ratio 0.29 to 0.3
0.32
Shear Modulus, GPa 70 to 72
40
Tensile Strength: Ultimate (UTS), MPa 430 to 500
770 to 960
Tensile Strength: Yield (Proof), MPa 190 to 240
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
410
Melting Completion (Liquidus), °C 1340 to 1400
1600
Melting Onset (Solidus), °C 1300 to 1360
1550
Specific Heat Capacity, J/kg-K 470 to 490
560
Thermal Expansion, µm/m-K 13 to 14
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
36
Density, g/cm3 7.7 to 8.0
4.4
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
38
Embodied Energy, MJ/kg 48 to 68
610
Embodied Water, L/kg 91 to 120
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
2310 to 3540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24 to 25
35
Strength to Weight: Axial, points 15 to 18
48 to 60
Strength to Weight: Bending, points 16 to 18
42 to 49
Thermal Shock Resistance, points 12 to 15
54 to 68

Comparable Variants