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EN 1.4805 Stainless Steel vs. Ductile Cast Iron

Both EN 1.4805 stainless steel and ductile cast iron are iron alloys. They have 53% of their average alloy composition in common. There are 27 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 EN 1.4805 stainless steel and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 200
170 to 180
Elongation at Break, % 9.0
2.1 to 20
Poisson's Ratio 0.28
0.28 to 0.31
Shear Modulus, GPa 77
64 to 70
Tensile Strength: Ultimate (UTS), MPa 490
460 to 920
Tensile Strength: Yield (Proof), MPa 250
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1000
290
Melting Completion (Liquidus), °C 1390
1160
Melting Onset (Solidus), °C 1350
1120
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 14
31 to 36
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
1.9
Density, g/cm3 7.9
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 4.7
1.5
Embodied Energy, MJ/kg 66
21
Embodied Water, L/kg 180
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 150
280 to 1330
Stiffness to Weight: Axial, points 14
12 to 14
Stiffness to Weight: Bending, points 25
24 to 26
Strength to Weight: Axial, points 17
17 to 35
Strength to Weight: Bending, points 18
18 to 29
Thermal Diffusivity, mm2/s 3.7
8.9 to 10
Thermal Shock Resistance, points 11
17 to 35

Alloy Composition

Carbon (C), % 0.2 to 0.5
3.0 to 3.5
Chromium (Cr), % 19 to 23
0
Iron (Fe), % 44.9 to 56.8
93.7 to 95.5
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.080
Silicon (Si), % 1.0 to 2.0
1.5 to 2.8
Sulfur (S), % 0 to 0.030
0