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EN 1.3963 Alloy vs. Austempered Cast Iron

Both EN 1.3963 alloy and austempered cast iron are iron alloys. They have 64% of their average alloy composition in common. 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 EN 1.3963 alloy and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 29
1.1 to 13
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
62 to 69
Tensile Strength: Ultimate (UTS), MPa 440
860 to 1800
Tensile Strength: Yield (Proof), MPa 310
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.9
Density, g/cm3 8.2
7.5
Embodied Carbon, kg CO2/kg material 4.8
1.8
Embodied Energy, MJ/kg 66
25
Embodied Water, L/kg 110
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 260
880 to 3970
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
32 to 66
Strength to Weight: Bending, points 16
27 to 44
Thermal Shock Resistance, points 110
25 to 53

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0 to 0.050
3.4 to 3.8
Chromium (Cr), % 0 to 0.25
0 to 0.1
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 60.5 to 64.9
89.6 to 94
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0 to 0.5
0.3 to 0.4
Molybdenum (Mo), % 0 to 1.0
0 to 0.3
Nickel (Ni), % 35 to 37
0 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
2.3 to 2.7
Sulfur (S), % 0.1 to 0.2
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.1