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ASTM B817 Type II vs. Automotive Grey Cast Iron

ASTM B817 type II belongs to the titanium alloys classification, while automotive grey 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 II and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
180
Elongation at Break, % 3.0 to 13
9.6 to 14
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
69 to 70
Tensile Strength: Ultimate (UTS), MPa 900 to 960
140 to 290
Tensile Strength: Yield (Proof), MPa 780 to 900
94 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
260 to 280
Melting Completion (Liquidus), °C 1580
1380 to 1390
Melting Onset (Solidus), °C 1530
1340 to 1350
Specific Heat Capacity, J/kg-K 550
490
Thermal Expansion, µm/m-K 9.9
12 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9 to 3.0
Density, g/cm3 4.6
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 40
1.5 to 1.7
Embodied Energy, MJ/kg 650
21 to 24
Embodied Water, L/kg 220
44 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
18 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
25 to 110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 55 to 58
5.2 to 11
Strength to Weight: Bending, points 45 to 47
8.0 to 13
Thermal Shock Resistance, points 62 to 66
4.2 to 8.6