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EN 1.4521 Stainless Steel vs. EN 1.0446 Cast Steel

Both EN 1.4521 stainless steel and EN 1.0446 cast steel are iron alloys. They have 78% 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 1.4521 stainless steel and the bottom bar is EN 1.0446 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 520
530
Tensile Strength: Yield (Proof), MPa 340
270

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
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 12
1.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 6.2
14
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 74.6 to 81.1
99.935 to 100
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.8 to 2.5
0
Nitrogen (N), % 0 to 0.030
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
Titanium (Ti), % 0.15 to 0.8
0