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EN 1.4024 Stainless Steel vs. Grey Cast Iron

Both EN 1.4024 stainless steel and grey cast iron are iron alloys. They have 87% of their average alloy composition in common. There are 29 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 EN 1.4024 stainless steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 15 to 22
9.6
Fatigue Strength, MPa 220 to 300
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
69
Shear Strength, MPa 370 to 460
180 to 610
Tensile Strength: Ultimate (UTS), MPa 590 to 750
160 to 450
Tensile Strength: Yield (Proof), MPa 330 to 510
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1180
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 30
46
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.9
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 100
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
5.8 to 17
Strength to Weight: Bending, points 20 to 24
8.7 to 17
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 21 to 26
6.0 to 17

Alloy Composition

Carbon (C), % 0.12 to 0.17
3.1 to 3.4
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 83.8 to 87.9
92.1 to 93.9
Manganese (Mn), % 0 to 1.0
0.5 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.9
Silicon (Si), % 0 to 1.0
2.5 to 2.8
Sulfur (S), % 0 to 0.015
0 to 0.15

Comparable Variants