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EN 1.0558 Cast Steel vs. EN 1.4424 Stainless Steel

Both EN 1.0558 cast steel and EN 1.4424 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 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 1.0558 cast steel and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
28
Fatigue Strength, MPa 230
350 to 370
Impact Strength: V-Notched Charpy, J 33
90 to 91
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 640
800
Tensile Strength: Yield (Proof), MPa 340
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
13
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
46
Embodied Water, L/kg 45
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 300
580 to 640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 14
3.5
Thermal Shock Resistance, points 20
23

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 19
Iron (Fe), % 99.935 to 100
68.6 to 72.4
Manganese (Mn), % 0
1.2 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
4.5 to 5.2
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0
1.4 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015