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EN 1.4630 Stainless Steel vs. Automotive Malleable Cast Iron

Both EN 1.4630 stainless steel and automotive malleable cast iron are iron alloys. They have 83% of their average alloy composition in common. There are 27 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 EN 1.4630 stainless steel and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 23
1.0 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
70
Tensile Strength: Ultimate (UTS), MPa 480
350 to 720
Tensile Strength: Yield (Proof), MPa 250
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
41
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 36
20
Embodied Water, L/kg 120
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130 to 950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
13 to 26
Strength to Weight: Bending, points 18
14 to 24
Thermal Diffusivity, mm2/s 7.5
11
Thermal Shock Resistance, points 17
9.9 to 21

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
2.2 to 2.9
Chromium (Cr), % 13 to 16
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 77.1 to 86.7
93.6 to 96.7
Manganese (Mn), % 0 to 1.0
0.15 to 1.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0.020 to 0.15
Silicon (Si), % 0.2 to 1.5
0.9 to 1.9
Sulfur (S), % 0 to 0.050
0.020 to 0.2
Titanium (Ti), % 0.15 to 0.8
0