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Austenitic Grey Cast Iron vs. EN 1.4971 Stainless Steel

Both austenitic grey cast iron and EN 1.4971 stainless steel are iron alloys. There are 21 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 EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 210
240
Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 69 to 72
81
Tensile Strength: Ultimate (UTS), MPa 150 to 230
800

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
300
Melting Completion (Liquidus), °C 1340 to 1400
1460
Melting Onset (Solidus), °C 1290 to 1350
1410
Specific Heat Capacity, J/kg-K 470 to 490
450
Thermal Expansion, µm/m-K 13 to 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
70
Density, g/cm3 7.7 to 8.1
8.4
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
7.6
Embodied Energy, MJ/kg 43 to 65
110
Embodied Water, L/kg 93 to 120
300

Common Calculations

PREN (Pitting Resistance) 2.0 to 5.0
38
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23 to 25
24
Strength to Weight: Axial, points 5.3 to 8.2
26
Strength to Weight: Bending, points 7.9 to 11
23
Thermal Shock Resistance, points 4.5 to 6.5
19