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Ductile Cast Iron vs. EN 1.4567 Stainless Steel

Both ductile cast iron and EN 1.4567 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is EN 1.4567 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 310
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 170 to 180
190
Elongation at Break, % 2.1 to 20
22 to 51
Poisson's Ratio 0.28 to 0.31
0.28
Shear Modulus, GPa 64 to 70
76
Shear Strength, MPa 420 to 800
390 to 490
Tensile Strength: Ultimate (UTS), MPa 460 to 920
550 to 780
Tensile Strength: Yield (Proof), MPa 310 to 670
200 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 290
930
Melting Completion (Liquidus), °C 1160
1410
Melting Onset (Solidus), °C 1120
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 31 to 36
11
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
16
Density, g/cm3 7.1 to 7.5
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 21
43
Embodied Water, L/kg 43
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
100 to 400
Stiffness to Weight: Axial, points 12 to 14
14
Stiffness to Weight: Bending, points 24 to 26
25
Strength to Weight: Axial, points 17 to 35
19 to 27
Strength to Weight: Bending, points 18 to 29
19 to 24
Thermal Diffusivity, mm2/s 8.9 to 10
3.0
Thermal Shock Resistance, points 17 to 35
12 to 17

Alloy Composition

Carbon (C), % 3.0 to 3.5
0 to 0.040
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 93.7 to 95.5
63.3 to 71.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.5 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.080
0 to 0.045
Silicon (Si), % 1.5 to 2.8
0 to 1.0
Sulfur (S), % 0
0 to 0.015

Comparable Variants