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ASTM A216 Cast Steel vs. S33550 Stainless Steel

Both ASTM A216 cast steel and S33550 stainless steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A216 cast steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25 to 27
40
Fatigue Strength, MPa 170 to 230
270
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 500 to 570
680
Tensile Strength: Yield (Proof), MPa 230 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450 to 1460
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49 to 52
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
24
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.3
Embodied Energy, MJ/kg 18
61
Embodied Water, L/kg 45
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 250
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 20
24
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 13 to 14
3.9
Thermal Shock Resistance, points 16 to 18
15