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Austempered Cast Iron vs. EN 1.4962 Stainless Steel

Both austempered cast iron and EN 1.4962 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is austempered cast iron and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 490
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 1.1 to 13
22 to 34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 62 to 69
77
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
630 to 690
Tensile Strength: Yield (Proof), MPa 560 to 1460
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1340
1440
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 42
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
23
Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 1.8
4.1
Embodied Energy, MJ/kg 25
59
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
170 to 610
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 66
21 to 24
Strength to Weight: Bending, points 27 to 44
20 to 21
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 25 to 53
14 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Arsenic (As), % 0 to 0.020
0
Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 3.4 to 3.8
0.070 to 0.15
Chromium (Cr), % 0 to 0.1
15.5 to 17.5
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 89.6 to 94
62.1 to 69
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0 to 1.5
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
12.5 to 14.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Tin (Sn), % 0 to 0.020
0
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Vanadium (V), % 0 to 0.1
0