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ASTM A216 Cast Steel vs. AISI 303 Stainless Steel

Both ASTM A216 cast steel and AISI 303 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 AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25 to 27
40 to 51
Fatigue Strength, MPa 170 to 230
230 to 360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 500 to 570
600 to 690
Tensile Strength: Yield (Proof), MPa 230 to 310
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
930
Melting Completion (Liquidus), °C 1450 to 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49 to 52
16
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 45
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 250
140 to 440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 20
21 to 25
Strength to Weight: Bending, points 18 to 20
20 to 22
Thermal Diffusivity, mm2/s 13 to 14
4.4
Thermal Shock Resistance, points 16 to 18
13 to 15