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ASTM B817 Type II vs. Austenitic Nodular Cast Iron

ASTM B817 type II belongs to the titanium alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 23 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 ASTM B817 type II and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
180 to 190
Elongation at Break, % 3.0 to 13
6.8 to 34
Poisson's Ratio 0.32
0.29 to 0.3
Shear Modulus, GPa 40
70 to 72
Tensile Strength: Ultimate (UTS), MPa 900 to 960
430 to 500
Tensile Strength: Yield (Proof), MPa 780 to 900
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 400
280 to 350
Melting Completion (Liquidus), °C 1580
1340 to 1400
Melting Onset (Solidus), °C 1530
1300 to 1360
Specific Heat Capacity, J/kg-K 550
470 to 490
Thermal Expansion, µm/m-K 9.9
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
16 to 25
Density, g/cm3 4.6
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 40
3.5 to 4.9
Embodied Energy, MJ/kg 650
48 to 68
Embodied Water, L/kg 220
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
98 to 160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
24 to 25
Strength to Weight: Axial, points 55 to 58
15 to 18
Strength to Weight: Bending, points 45 to 47
16 to 18
Thermal Shock Resistance, points 62 to 66
12 to 15

Comparable Variants