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S31266 Stainless Steel vs. EN 1.1131 Cast Steel

Both S31266 stainless steel and EN 1.1131 cast steel are iron alloys. They have 42% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is EN 1.1131 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
27
Fatigue Strength, MPa 400
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 860
530
Tensile Strength: Yield (Proof), MPa 470
270

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
1.4
Embodied Energy, MJ/kg 89
19
Embodied Water, L/kg 220
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120
Resilience: Unit (Modulus of Resilience), kJ/m3 540
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
97.6 to 98.9
Manganese (Mn), % 2.0 to 4.0
1.0 to 1.6
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0