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EN 1.8509 Steel vs. EN 1.1118 Cast Steel

Both EN 1.8509 steel and EN 1.1118 cast steel are iron alloys. They have a very high 97% 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 1.8509 steel and the bottom bar is EN 1.1118 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
14 to 21
Fatigue Strength, MPa 580
320 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 1130
700 to 750
Tensile Strength: Yield (Proof), MPa 940
460 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 65
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
97 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
550 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
25 to 27
Strength to Weight: Bending, points 31
22 to 23
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 33
22 to 24

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.2 to 0.25
Chromium (Cr), % 1.5 to 1.8
0
Iron (Fe), % 95.5 to 97.1
97.3 to 98.3
Manganese (Mn), % 0.4 to 0.7
1.5 to 1.8
Molybdenum (Mo), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015