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S35135 Stainless Steel vs. Grey Cast Iron

Both S35135 stainless steel and grey cast iron are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S35135 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, % 34
9.6
Fatigue Strength, MPa 180
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
69
Shear Strength, MPa 390
180 to 610
Tensile Strength: Ultimate (UTS), MPa 590
160 to 450
Tensile Strength: Yield (Proof), MPa 230
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1380
1180
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 6.8
1.5
Embodied Energy, MJ/kg 94
21
Embodied Water, L/kg 220
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 130
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
5.8 to 17
Strength to Weight: Bending, points 19
8.7 to 17
Thermal Shock Resistance, points 13
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.080
3.1 to 3.4
Chromium (Cr), % 20 to 25
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 28.3 to 45
92.1 to 93.9
Manganese (Mn), % 0 to 1.0
0.5 to 0.7
Molybdenum (Mo), % 4.0 to 4.8
0
Nickel (Ni), % 30 to 38
0
Phosphorus (P), % 0 to 0.045
0 to 0.9
Silicon (Si), % 0.6 to 1.0
2.5 to 2.8
Sulfur (S), % 0 to 0.015
0 to 0.15
Titanium (Ti), % 0.4 to 1.0
0