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ASTM A217 Cast Steel vs. S44625 Stainless Steel

Both ASTM A217 cast steel and S44625 stainless steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 27
22
Fatigue Strength, MPa 200 to 320
240
Poisson's Ratio 0.28 to 0.29
0.27
Shear Modulus, GPa 73 to 75
80
Tensile Strength: Ultimate (UTS), MPa 540 to 710
590
Tensile Strength: Yield (Proof), MPa 270 to 460
360

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
290
Maximum Temperature: Mechanical, °C 410 to 600
1100
Melting Completion (Liquidus), °C 1450 to 1460
1440
Melting Onset (Solidus), °C 1410 to 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26 to 50
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
2.8
Embodied Energy, MJ/kg 20 to 28
39
Embodied Water, L/kg 47 to 87
160

Common Calculations

PREN (Pitting Resistance) 2.5 to 13
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
310
Stiffness to Weight: Axial, points 13 to 14
15
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 19 to 25
21
Strength to Weight: Bending, points 19 to 23
20
Thermal Diffusivity, mm2/s 6.9 to 14
4.6
Thermal Shock Resistance, points 16 to 20
19