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EN 1.1131 Cast Steel vs. S44625 Stainless Steel

Both EN 1.1131 cast steel and S44625 stainless steel are iron alloys. They have 72% 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 1.1131 cast steel and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
22
Fatigue Strength, MPa 200
240
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 530
590
Tensile Strength: Yield (Proof), MPa 270
360

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
310
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 14
4.6
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.010
Chromium (Cr), % 0
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 97.6 to 98.9
69.4 to 74.3
Manganese (Mn), % 1.0 to 1.6
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020