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EN 1.4571 Stainless Steel vs. Grey Cast Iron

Both EN 1.4571 stainless steel and grey cast iron are iron alloys. They have 68% 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 1.4571 stainless steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 14 to 40
9.6
Fatigue Strength, MPa 200 to 330
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
69
Shear Strength, MPa 410 to 550
180 to 610
Tensile Strength: Ultimate (UTS), MPa 600 to 900
160 to 450
Tensile Strength: Yield (Proof), MPa 230 to 570
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1180
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.9
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 54
21
Embodied Water, L/kg 150
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
5.8 to 17
Strength to Weight: Bending, points 20 to 26
8.7 to 17
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13 to 20
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.080
3.1 to 3.4
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 61.7 to 71
92.1 to 93.9
Manganese (Mn), % 0 to 2.0
0.5 to 0.7
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10.5 to 13.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.9
Silicon (Si), % 0 to 1.0
2.5 to 2.8
Sulfur (S), % 0 to 0.015
0 to 0.15
Titanium (Ti), % 0 to 0.7
0

Comparable Variants