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EN 1.1118 Cast Steel vs. S45500 Stainless Steel

Both EN 1.1118 cast steel and S45500 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, 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 S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 21
3.4 to 11
Fatigue Strength, MPa 320 to 400
570 to 890
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 700 to 750
1370 to 1850
Tensile Strength: Yield (Proof), MPa 460 to 630
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
57
Embodied Water, L/kg 48
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 130
45 to 190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
48 to 65
Strength to Weight: Bending, points 22 to 23
35 to 42
Thermal Shock Resistance, points 22 to 24
48 to 64

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.050
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 97.3 to 98.3
71.5 to 79.2
Manganese (Mn), % 1.5 to 1.8
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4