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R04295 Alloy vs. Automotive Malleable Cast Iron

R04295 alloy belongs to the otherwise unclassified metals classification, while automotive malleable cast iron belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R04295 alloy and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
180
Elongation at Break, % 22
1.0 to 10
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 37
70
Tensile Strength: Ultimate (UTS), MPa 410
350 to 720
Tensile Strength: Yield (Proof), MPa 300
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Specific Heat Capacity, J/kg-K 260
480
Thermal Expansion, µm/m-K 7.2
14

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.6
Embodied Water, L/kg 950
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 430
130 to 950
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 13
13 to 26
Strength to Weight: Bending, points 14
14 to 24
Thermal Shock Resistance, points 40
9.9 to 21

Alloy Composition

Carbon (C), % 0 to 0.015
2.2 to 2.9
Hafnium (Hf), % 9.0 to 11
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0
93.6 to 96.7
Manganese (Mn), % 0
0.15 to 1.3
Niobium (Nb), % 85.9 to 90.3
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Sulfur (S), % 0
0.020 to 0.2
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.7 to 1.3
0
Tungsten (W), % 0 to 0.5
0
Zirconium (Zr), % 0 to 0.7
0