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ASTM A216 Cast Steel vs. S15500 Stainless Steel

Both ASTM A216 cast steel and S15500 stainless steel are iron alloys. There are 30 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 S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
6.8 to 16
Fatigue Strength, MPa 170 to 230
350 to 650
Poisson's Ratio 0.29
0.28
Reduction in Area, % 39
17 to 40
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 500 to 570
890 to 1490
Tensile Strength: Yield (Proof), MPa 230 to 310
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
820
Melting Completion (Liquidus), °C 1450 to 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49 to 52
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
39
Embodied Water, L/kg 45
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 250
890 to 4460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 20
32 to 53
Strength to Weight: Bending, points 18 to 20
26 to 37
Thermal Diffusivity, mm2/s 13 to 14
4.6
Thermal Shock Resistance, points 16 to 18
30 to 50