MakeItFrom.com
Menu (ESC)

Ductile Cast Iron vs. EN 1.4901 Stainless Steel

Both ductile cast iron and EN 1.4901 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
190
Elongation at Break, % 2.1 to 20
19
Poisson's Ratio 0.28 to 0.31
0.28
Shear Modulus, GPa 64 to 70
76
Shear Strength, MPa 420 to 800
460
Tensile Strength: Ultimate (UTS), MPa 460 to 920
740
Tensile Strength: Yield (Proof), MPa 310 to 670
490

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 290
650
Melting Completion (Liquidus), °C 1160
1490
Melting Onset (Solidus), °C 1120
1450
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 31 to 36
26
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.1 to 7.5
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 21
40
Embodied Water, L/kg 43
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
620
Stiffness to Weight: Axial, points 12 to 14
14
Stiffness to Weight: Bending, points 24 to 26
24
Strength to Weight: Axial, points 17 to 35
26
Strength to Weight: Bending, points 18 to 29
23
Thermal Diffusivity, mm2/s 8.9 to 10
6.9
Thermal Shock Resistance, points 17 to 35
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 3.0 to 3.5
0.070 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Iron (Fe), % 93.7 to 95.5
85.8 to 89.1
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.080
0 to 0.020
Silicon (Si), % 1.5 to 2.8
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010