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Austenitic Grey Cast Iron vs. AWS E312

Both austenitic grey cast iron and AWS E312 are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.29 to 0.3
0.27
Shear Modulus, GPa 69 to 72
80
Tensile Strength: Ultimate (UTS), MPa 150 to 230
740

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
310
Melting Completion (Liquidus), °C 1340 to 1400
1410
Melting Onset (Solidus), °C 1290 to 1350
1360
Specific Heat Capacity, J/kg-K 470 to 490
480
Thermal Expansion, µm/m-K 13 to 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
20
Density, g/cm3 7.7 to 8.1
7.7
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
3.6
Embodied Energy, MJ/kg 43 to 65
52
Embodied Water, L/kg 93 to 120
200

Common Calculations

PREN (Pitting Resistance) 2.0 to 5.0
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23 to 25
25
Strength to Weight: Axial, points 5.3 to 8.2
27
Strength to Weight: Bending, points 7.9 to 11
24
Thermal Shock Resistance, points 4.5 to 6.5
18