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EN 1.4659 Stainless Steel vs. Grey Cast Iron

Both EN 1.4659 stainless steel and grey cast iron are iron alloys. They have 42% of their average alloy composition in common. There are 30 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 EN 1.4659 stainless steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 210
180
Elongation at Break, % 49
9.6
Fatigue Strength, MPa 460
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
69
Shear Strength, MPa 640
180 to 610
Tensile Strength: Ultimate (UTS), MPa 900
160 to 450
Tensile Strength: Yield (Proof), MPa 480
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1480
1380
Melting Onset (Solidus), °C 1430
1180
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 8.2
7.5
Embodied Carbon, kg CO2/kg material 6.5
1.5
Embodied Energy, MJ/kg 89
21
Embodied Water, L/kg 220
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 550
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
5.8 to 17
Strength to Weight: Bending, points 25
8.7 to 17
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 19
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.020
3.1 to 3.4
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
92.1 to 93.9
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.7
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.9
Silicon (Si), % 0 to 0.7
2.5 to 2.8
Sulfur (S), % 0 to 0.010
0 to 0.15
Tungsten (W), % 1.5 to 2.5
0