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ASTM B817 Type I vs. Austenitic Nodular Cast Iron

ASTM B817 type I 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 (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type I 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, % 4.0 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 770 to 960
430 to 500
Tensile Strength: Yield (Proof), MPa 700 to 860
190 to 240

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Comparable Variants