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S30601 Stainless Steel vs. Grey Cast Iron

Both S30601 stainless steel and grey cast iron are iron alloys. They have 62% of their average alloy composition in common. There are 26 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 S30601 stainless steel and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 37
9.6
Fatigue Strength, MPa 250
69 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
69
Shear Strength, MPa 450
180 to 610
Tensile Strength: Ultimate (UTS), MPa 660
160 to 450
Tensile Strength: Yield (Proof), MPa 300
98 to 290

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Melting Completion (Liquidus), °C 1360
1380
Melting Onset (Solidus), °C 1310
1180
Specific Heat Capacity, J/kg-K 500
490
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.6
7.5
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 55
21
Embodied Water, L/kg 150
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
13 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 230
27 to 240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
5.8 to 17
Strength to Weight: Bending, points 22
8.7 to 17
Thermal Shock Resistance, points 16
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.015
3.1 to 3.4
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
92.1 to 93.9
Manganese (Mn), % 0.5 to 0.8
0.5 to 0.7
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 17 to 18
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.030
0 to 0.9
Silicon (Si), % 5.0 to 5.6
2.5 to 2.8
Sulfur (S), % 0 to 0.013
0 to 0.15