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ASTM A217 Cast Steel vs. S20161 Stainless Steel

Both ASTM A217 cast steel and S20161 stainless steel are iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 27
46
Fatigue Strength, MPa 200 to 320
360
Poisson's Ratio 0.28 to 0.29
0.28
Reduction in Area, % 39 to 50
45
Shear Modulus, GPa 73 to 75
76
Tensile Strength: Ultimate (UTS), MPa 540 to 710
980
Tensile Strength: Yield (Proof), MPa 270 to 460
390

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
330
Maximum Temperature: Mechanical, °C 410 to 600
870
Melting Completion (Liquidus), °C 1450 to 1460
1380
Melting Onset (Solidus), °C 1410 to 1420
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 26 to 50
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
2.7
Embodied Energy, MJ/kg 20 to 28
39
Embodied Water, L/kg 47 to 87
130

Common Calculations

PREN (Pitting Resistance) 2.5 to 13
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
360
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
390
Stiffness to Weight: Axial, points 13 to 14
14
Stiffness to Weight: Bending, points 24 to 25
26
Strength to Weight: Axial, points 19 to 25
36
Strength to Weight: Bending, points 19 to 23
29
Thermal Diffusivity, mm2/s 6.9 to 14
4.0
Thermal Shock Resistance, points 16 to 20
22