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EN 1.4122 Stainless Steel vs. EN 1.0558 Cast Steel

Both EN 1.4122 stainless steel and EN 1.0558 cast steel are iron alloys. They have 80% 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 1.4122 stainless steel and the bottom bar is EN 1.0558 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
18
Fatigue Strength, MPa 260 to 360
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 790 to 850
640
Tensile Strength: Yield (Proof), MPa 450 to 630
340

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 33
18
Embodied Water, L/kg 120
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
99
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 31
22
Strength to Weight: Bending, points 25 to 26
21
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 28 to 30
20

Alloy Composition

Carbon (C), % 0.33 to 0.45
0
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 77.2 to 83.4
99.935 to 100
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0.8 to 1.3
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.030