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EN 1.1118 Cast Steel vs. EN 1.4458 Stainless Steel

Both EN 1.1118 cast steel and EN 1.4458 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.1118 cast steel and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 21
34
Fatigue Strength, MPa 320 to 400
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 700 to 750
510
Tensile Strength: Yield (Proof), MPa 460 to 630
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
75
Embodied Water, L/kg 48
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 1050
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
17
Strength to Weight: Bending, points 22 to 23
18
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 22 to 24
12

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
0 to 2.0
Iron (Fe), % 97.3 to 98.3
40.2 to 53
Manganese (Mn), % 1.5 to 1.8
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025