MakeItFrom.com
Menu (ESC)

Ductile Cast Iron vs. EN 1.4020 Stainless Steel

Both ductile cast iron and EN 1.4020 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ductile cast iron and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 310
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 170 to 180
200
Elongation at Break, % 2.1 to 20
13 to 34
Poisson's Ratio 0.28 to 0.31
0.28
Shear Modulus, GPa 64 to 70
77
Shear Strength, MPa 420 to 800
510 to 680
Tensile Strength: Ultimate (UTS), MPa 460 to 920
770 to 1130
Tensile Strength: Yield (Proof), MPa 310 to 670
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 290
890
Melting Completion (Liquidus), °C 1160
1390
Melting Onset (Solidus), °C 1120
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.1 to 7.5
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 21
37
Embodied Water, L/kg 43
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
460 to 2290
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
28 to 41
Strength to Weight: Bending, points 18 to 29
25 to 32
Thermal Shock Resistance, points 17 to 35
16 to 23

Alloy Composition

Carbon (C), % 3.0 to 3.5
0 to 0.15
Chromium (Cr), % 0
16.5 to 19
Iron (Fe), % 93.7 to 95.5
62.8 to 71.8
Manganese (Mn), % 0
11 to 14
Nickel (Ni), % 0
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
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 0.030

Comparable Variants