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EN 1.4418 Stainless Steel vs. EN 1.1165 Cast Steel

Both EN 1.4418 stainless steel and EN 1.1165 cast steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is EN 1.1165 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
11 to 20
Fatigue Strength, MPa 350 to 480
200 to 380
Impact Strength: V-Notched Charpy, J 62 to 90
31 to 40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
600 to 780
Tensile Strength: Yield (Proof), MPa 540 to 790
290 to 620

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
230 to 1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
21 to 28
Strength to Weight: Bending, points 26 to 28
20 to 24
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 31 to 36
19 to 25

Alloy Composition

Carbon (C), % 0 to 0.060
0.25 to 0.32
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 73.2 to 80.2
97.2 to 98.6
Manganese (Mn), % 0 to 1.5
1.2 to 1.8
Molybdenum (Mo), % 0.8 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030