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EN 1.3956 Stainless Steel vs. Grey Cast Iron

Both EN 1.3956 stainless steel and grey cast iron are iron alloys. They have 58% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 27
9.6
Fatigue Strength, MPa 240
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
69
Tensile Strength: Ultimate (UTS), MPa 650
160 to 450
Tensile Strength: Yield (Proof), MPa 330
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1180
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.9
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 4.8
1.5
Embodied Energy, MJ/kg 68
21
Embodied Water, L/kg 180
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 270
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
5.8 to 17
Strength to Weight: Bending, points 21
8.7 to 17
Thermal Shock Resistance, points 18
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.060
3.1 to 3.4
Chromium (Cr), % 20.5 to 23.5
0
Iron (Fe), % 51.9 to 62.1
92.1 to 93.9
Manganese (Mn), % 4.0 to 6.0
0.5 to 0.7
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.9
Silicon (Si), % 0 to 1.0
2.5 to 2.8
Sulfur (S), % 0 to 0.030
0 to 0.15
Vanadium (V), % 0.1 to 0.3
0