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ASTM A217 Cast Steel vs. SAE-AISI 4320 Steel

Both ASTM A217 cast steel and SAE-AISI 4320 steel are iron alloys. There are 30 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 SAE-AISI 4320 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
160 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 27
21 to 29
Fatigue Strength, MPa 200 to 320
320
Poisson's Ratio 0.28 to 0.29
0.29
Shear Modulus, GPa 73 to 75
73
Tensile Strength: Ultimate (UTS), MPa 540 to 710
570 to 790
Tensile Strength: Yield (Proof), MPa 270 to 460
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
250
Maximum Temperature: Mechanical, °C 410 to 600
420
Melting Completion (Liquidus), °C 1450 to 1460
1460
Melting Onset (Solidus), °C 1410 to 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26 to 50
46
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
1.7
Embodied Energy, MJ/kg 20 to 28
22
Embodied Water, L/kg 47 to 87
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
480 to 560
Stiffness to Weight: Axial, points 13 to 14
13
Stiffness to Weight: Bending, points 24 to 25
24
Strength to Weight: Axial, points 19 to 25
20 to 28
Strength to Weight: Bending, points 19 to 23
19 to 24
Thermal Diffusivity, mm2/s 6.9 to 14
13
Thermal Shock Resistance, points 16 to 20
19 to 27