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Austenitic Grey Cast Iron vs. SAE-AISI D4 Steel

Both austenitic grey cast iron and SAE-AISI D4 steel are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is SAE-AISI D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.29 to 0.3
0.28
Shear Modulus, GPa 69 to 72
74
Tensile Strength: Ultimate (UTS), MPa 150 to 230
760 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
270
Melting Completion (Liquidus), °C 1340 to 1400
1430
Melting Onset (Solidus), °C 1290 to 1350
1380
Specific Heat Capacity, J/kg-K 470 to 490
480
Thermal Expansion, µm/m-K 13 to 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
8.0
Density, g/cm3 7.7 to 8.1
7.7
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
3.3
Embodied Energy, MJ/kg 43 to 65
49
Embodied Water, L/kg 93 to 120
100

Common Calculations

PREN (Pitting Resistance) 2.0 to 5.0
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23 to 25
25
Strength to Weight: Axial, points 5.3 to 8.2
27 to 75
Strength to Weight: Bending, points 7.9 to 11
24 to 47
Thermal Shock Resistance, points 4.5 to 6.5
23 to 63